Brand Name: GMG Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color:: black, white, pink, green, blue, orange Standby time:: 72-100 hours Memory:: support TF card extend to 8GB maximally Size:: 77*34*12mm SIM:: single SIM card Packaging & Delivery Packaging Detail: Hueway packing, Print tint packing, customized packing, neutral packing Delivery Detail: 3 to 7 working days after the receipt of you payment Specifications 1Color: black, white, pink, green, blue, orange 2.Concept of mobile phone mobile phone pocket Mini mini mobile phone new 2011 Concept of mobile phone mobile phone pocket Mini mini mobile phone new 2011 Basic parametersScreen parameter1 OLED HD full view displayLanguage support simplified Chinese, traditional Chinese, English hot selling bluetooth Ultra Mini Mobile Phone 1.0 inch OLED display screen MP3, FM radio, Bluetooth Melrose M001 Ultra Mini Mobile P
Specifications Multi-point technology bluetooth headset BH29 Bluetooth Echo and Noise Cancellation Headset Dual-Microphone HOT 2013 Multi-point technology bluetooth headset headphone BH29 Feature :Dual-Microphone CVC V5.0, Echo and Noise Cancellation, Packet/bit Error Correction TechnologyBluetooth Specification V2.1+EDR class 2 Supports connecting to two phones simultaneously Rechargeable 80mAh Li-Polymer Battery Normal charging time: Max 1.5 hours Talk time: Up to 4.5 HoursStandby time: Up to 120 hours Specification * Bluetooth Specification v2.1+EDR class 2 * Multi-point technology, CSR BC6150 chip* HFP V1.5 and HSP v1.1 support* RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band* Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm* Frequency Response: 20Hz- 20kHz, Very high Signal to Noise Ratio (SNR): 95Db,Total Harmonic Distortion(THD): 0.1%* 3 Buttons design: MFB, VOL+, VOL-* LED Indicator Status: Blue, Red* Rechargeable 80mAh L
Specifications 1.Clic-on style stereo bluetooth earphone 2.Radio performation :class 2,version 2.0+EDR 3.Suppot A2DP and AVRCP Bluetooth headphone / bluetooth headset Feature :1.Clic-on style stereo bluetooth earphone 2.Radio performation :class 2,version 2.0+EDR3.Suppot A2DP and AVRCP 4.Coverage range :Aprox 10 meters (in open area)5.Four direction button for VOL+,VOL-,previous ,next ,play,pause 6.Superior noise suppression, echo elimination technologe 7.Compatible with any bluetooth enabled mobile phone 8.Talking time :8 hours /standbt time :100 hours /charge time :3 hours Accessories :Gift box ;User manual ;USB cable ;Earphone cable ;Power charger
Specifications Superior sound quality wireless bluetooth headphone. Factory price, fashion design ,fast delivery Perfect quality . Products Name: BT-200 PinkProducts Detail: Speaker diameter: φ40 milimeters Impedance: 32 OhmsSensitivity: 108dB S.P.L.at 1KHz;Rated power:20mWAggregate capability:50mWFrequency Response:20Hz-20,000HzMicrophone Unit:φ6*5mmImpedance:≤2.2KOhmsFrequancy Response:30Hz-16,000HzOperating voltage:3.0V
Brand Name: GMIL Model Number: BSH02 Style: Ear Hook Communication: Wireless Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Specifications Bluetooth Headphone with Microphone Bluetooth Headphone - Wirelessly play/pause/skip music tracks and control volume with headset buttons- Answer calls with the built-in microphone- Driver Diameter: Φ 40mm- Maximum Power Input: Left 20mW, Right 20mW- Power Source: Built-in Rechargeable battery (330mAh, 3.7V) or via USB cable- Charging Time: approx. 3 hours- Talking Time: approx. 7 hours- Working Time: approx. 8 hours- Standby Time: approx. 50 hours- Bluetooth Version: v2.1+EDR- Available Color: Black, White, Blue, Red
Brand Name: MLD Model Number: M220bt Style: Neckband,portable wireless headphones Communication: Wireless Connectors: Other Use: Portable Media Player Function: Bluetooth,Noise Cancelling,Noise Cancelling/Folding Place of Origin: Guangdong China (Mainland) Color: Optional Usage: portable media player/computer/mp3/mp4 Certificate: CE,Rohs,FCC MOQ: 1K Package: gift box Package size: 15*18.5*4.5CM Rated power: 20mw Selling point: wireless and card reading Packaging & Delivery Packaging Detail: gift box Delivery Detail: within 15-20 days after reciept the deposit Specifications folding wireless bluetooth headphone with FM 1*with card reading 2*High clarify stereo sound 3*Direct factory Best folding wireless bluetooth headphones with FM and support TF card reading Best selling folding wireless bluetooth headphone with FM HEADPHONE Specification: Speaker dimension :diameter 40mmSpeaker impedance:32ohm±15%Frequency response:20Hz-20KHzSensitivity:108dbRated powe
Model Number: EX-01 Style: Ear Hook Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Colour: Black Packaging & Delivery Packaging Detail: Blister packaging Delivery Detail: 1-3days after payment received Specifications FOR PS3 EX-01 wireless BLUETOOTH HEADSET 1.Wireless and bluetooth 2.90days warranty 3.fast delivery 3days 4.Low MOQ 10pcs Features1.DarkLite illuminated feedback, perfected for dark viewing conditions2.20-degree variable mic arm allows movement away or towards cheek, working with contours of face3.Ergonomically designed controls allowing instinctive location of volume and power/mute.4.External speaker sponge designed to sit comfortably on the ear, without entering the earhole itself, allowing longer gameplay in comfort5. It offers excellent acoustic quality that would give a new definition to your gaming6.It's very easy to use and it has a tendency to stop any outside nois
Specifications 1. Bluetooth headphone for Iphone 2. OEM&ODM is welcomed 3. High quality with ABS+PVC 4. Pass CE, Rohs Specification Frequency range2.4GHz-2.48GHzTransmission powerClass 2Transmission distance10MOperating voltage3.6VOperating current35mAStandby current2mACharger powerInput 100~240V AC, Output 5V DCWorking temperature-20°C~60°CNo working temperature-20°C~60°CCharging temperature0°C~45°CCharging time2 hoursTalking time6 hoursStandby time120 hours Bluetooth headphone 1. Transmission distance: 10M 2. Support AVRCP 3. High Capacity Lion Battery4. Talking time: 6H5. CE.ROHS.FCC and BQB Approval6. Bluetooth Version 2.1+EDR7. Supports AVRCP, HSP and HFP8. Noise Cancelling Function Bluetooth Headset9. Extremely good quality, superior clear voice10. Head Wearing design With Microphone11. Hands free, compatible with all Bluetooth Devices such as PS312. High Capacity& Rechargeable Lion Battery13. Automatic
Brand Name: X-BOSS Model Number: MA-869 Style: Headband Communication: Wireless Connectors: BLUETOOTH Use: Portable Media Player Function: Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Bluetooth: 3.0 Operation distance: 10m Rechargeable battery: 400mAh Buttons: 5 Color: Red, Blue, White, Black,Pink Handfree: yes media player: yes Stereo sound: yes speaker: 2 USB charging cable: yes Packaging & Delivery Packaging Detail: OEM PACKING Delivery Detail: 30 DAYS Specifications Factory Direct -Bluetooth 3.0 , Rechargeable headphone Model : MA-869 Free yourself from wires with this Bluetooth Stereo Headphones and listen to tunes on your iPhone or iPad as well as take phone calls with the hidden microphone. If you never tried wireless headphones, you'll be blown away by how well these work. This researched literally hundreds of headphones and decided wireless was the way to go (although they are working on
Specifications 1.Frequency coverage: 2.402~2.480GHz ISM band 2.Sensitivity: -80dbm 3.Transmit range: up to 10m 4.Transmit speed: 57~723Kbp Fashion Sports Wireless Bluetooth Headset Earphone Headphone Earphone for Telehone PC Portable back-hang design, convenient for sportsSuitable for mobile phones, PC, and iPod Handsfree speaking by pairing with mobile phone Enjoy music of iPod with adaptive dongle Can receive and reject incoming calls while automatically stop music Volume adjustment Bluetooth version: 1.2/V2.1, wireless transmitter standard of class II Frequency coverage: 2.402~2.480GHz ISM band Sensitivity: -80dbmTransmit range: up to 10m Transmit speed: 57~723Kbps Stereo compression ratio: 44.1/48kHz Channel: 79 channels of 1MHz, B/W Contact terms: Point-to-PointBattery: Li-ion. Charge power : PC USB, 5V Charging time: 1-2 hours 40g/pcsPacking:blister
Brand Name: OEM&GO-ON Model Number: GB-100 Style: Headband Communication: Wireless Connectors: 3.5mm Use: mobile,tablets, Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Technology: Bluetooth V2.1+EDR Color: Black Effective range: Up to 15 meters(360°) Signal-to-noise ratio: 90dBr@1KHz Mode: Stereo Frequency response: 20Hz~20KHz Charging time: 2 hours Charge Voltage: 5V Operating time: More than 15 hours Power supply: Rechargeable Lithium-Polymer battery(500mAh) Packaging & Delivery Packaging Detail: Blacking carrying case + color box 1pc per color box,20pcs per carton box Delivery Detail: 30 days after order comfirmed Specifications Crystal sound bluetooth headset 1,Foldable design 2,Lithium-polymer battery 3,Built-in buttons 4,CE FCC RoHs certificate Crystal sound stereo wireless Bluetooth headphone with big earcup design The GB-100 is Bluetooth stereo headsets with rechargeable lithium-polymer battery. Built-in
Brand Name: Kingartor Model Number: KA-M1120 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: Optional Speaker: 40mm Frequency Range: 20H--20KHZ Maximum Power Input: 60mw Rated Power: 20mw Impedance: 320hm Microphone Uni: 6x 5mm/-58db+3db Plugging: 3.5mm Stereo Packaging & Delivery Packaging Detail: window box, blister,or customer packing is avaliable Delivery Detail: 1--20days after we got the deposit Specifications Fashionable stereo Bluetooth headphones 1. factory price 2. warranty: 1year 3. OEM welcomed Fashionable stereo Bluetooth headphones Bluetooth TF card,Touch with FM radio &n
Specifications 1,Just say "Answer", need not press any button to Answer call. Just say "answer" to answer a call without having to press any buttonPlay music, podcasts, webcasts and GPS navigation tips2-in-1 USB interface cable for the phone and the headset at the same time charging
Brand Name: TXY-CM-07 Model Number: Nice and new headphone Style: Ear Hook Communication: Wired Connectors: Other Use: Computer, DJ Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Nice and new headphone: Purple, black, white Specifications Nice and new headphone headphone bluetooth Stereo Headphone, Earphone noise cancelling Nice and new headphoneHeadphone bluetoothSpecifications: Item: CM-07Color: purple, yellow, blue, white, black, etc.Weight: 1.5 kgPacking Size: 23*17*13cmnoise cancelling
Specifications bluetooth headphone 1.Bluetooth stereo head set let you listen to music or phone calls wirelessly 2.High-quality speaks delive bluetooth headphone 1.Bluetooth stereo head set let you listen to music or phone calls wirelessly2.High-quality speaks deliver crisprich sound3.Accept incoming calls or toggle between tracks with the touch of a button4.Lightweight,comfortable design for all-day listening.5.Compatible with bluetooth enabled devices, such as IPHONE,IPAD,most computer,cellphones6.Frequency response:20-20,000Hz7.Speak Impedance:32 ohm8.Omni-directional high quality microphone9.Sensitivity microphone10.Transfer Distance:33FT/10M11.Frequency:2.4GHz12.Technology:Bluetooth V3.0+EDR13.Easily charge via USB port14.Play/Talk-10Hrs15.Low battery notification
Specifications - Bluetooth Stereo Headset - Stereo Bluetooth headset - Supports Bluetooth A2DP, AVRCP 100% high quality , absolutely factory price !!!welcome to wholesalelook forward to cooperating with you Bluetooth Stereo headset R36 bluetooth headphone Specifications: ¦Bluetooth Version: V2.0¦Compatible with: V1.5, V1.2, V1.1, V1.0 ¦Transmit Power: Class2 ¦Frequency: 2.4-2.48GHz¦Transmissio n Distance: Up to 10m ¦Charging Time: 2-3 hours¦Talk Time: Up to 6 hours¦Standby Time: Up to 150 hours¦Size: 55 x 24 x 27 mm/2.17 x 0.94 x 1.06 in(L x W x H) Features: ¦Stylish, comfortable and engineered with cutting-edge Bluetooth wireless technology ¦Wireless stereo Bluetooth headset allows you to make and receive phone calls at ease¦Digital sound enhancement via DSP techno
Brand Name: HABALA Model Number: S-98 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) material: ABS+PETG supprt version: V3.0 standby time: 50 hours talking time: about 3 hours frequency: 2.402-2.480GHZ product weight: 7g color: blue/white/red/black Packaging & Delivery Packaging Detail: 1 pc with a giftbox, and 100 pcs packed into a carton Delivery Detail: 10-15 days after we receive the payment Specifications High quality bluetooth mono headset Voice-dialing Last number dialing Refusing incoming call Sport & Casual Style ODM and OEM are acceptableDelivery time : 10-15 days Payment terms : T/T. Western Union . Paypal We are professional and quality bluetooth headset manufacturer, our product with competitive price and good quality compared with other suppliers.Welcome to contact us : mobile: 0086-15816891864S
Specifications high quality Sound proof bluetooth headset 1. Sound proof; 2. Bluetooth stereo power: 28mA 3.Built-in battray 4.memory card high quality Sound proof bluetooth headset 1. Sound proof;2. Bluetooth stereo power: 28mA3.Built-in rechargeabl battray 1. Sound proof;2. Support usb file transmit;3. Micro SD card up to 32GB; 4. Support LINE-IN function;5. Latest V3.0 +EDR,third version; 6. Transmit range:10m; 7. Frequency rate:2.402GHZ-2.480GHZ;8. Bluetooth stereo power: 28mA.9. Sensitivity: 120db
Model Number: Bluetooth Headset BH320 Use: Mobile Phone Place of Origin: China Usage: Mobile Phone Packaging & Delivery Packaging Detail: Retail packing Delivery Detail: In 2 days Specifications 1) Bluetooth version: 1. 2 2) Frequency: 2. 4ghz 1) Bluetooth version: 1. 2 2) Frequency: 2. 4ghz 3) Operation range: 10m (33ft) 4) Talking time: Up to 6 hours 5) Standby time: Up to 200 hours 6) Charging time: 2 hours 7) Battery: Rechargeable Lithium Polymer 8) Support profiles: Handsfree and headset 9) Security: pairing, Encryption, Authentication 10) Chipset with echo and noise cancellation software 11) World class audio quality in even the noisiest environment 12) Quicker connection and reduced interference 13) Compatible with any brand bluetooth 1. 2 or 1. 1
Specifications Bluetooth headset production factory wireless bluetooth headphones 1.Talking time 5.5H 2.Battery recharge time 1-2H Bluetooth headset production factory wireless bluetooth headphonessoftware for NK Feature:1.Talking time 5.5H2.Battery recharge time 1-2H3.Warranty 1 yearDetails:wireless mini headset for mobilegood sound qualityOEM service&good priceFeature:Elliptic design: Fashion, Lightweight Specially designed hard back cover for mobile bluetooth Headphone jack and charging opening and camera opening Easy to take off or install it. No need any toolsHang design:more convernient for woking, sporting etc.Standard 3.5mm earphone jackVoice activated dialingLow voltage alarmbluetooth headset Handsfree SpecificationV2.1+EDRBluetooth ProgramISSC+Class2ModelHandsFree/HeadsetWireless Frequency Range2.4GEnvironment Temperature-20/+60°CStandby Current≤2mABattery Capacity48mA/hStandby time120 hoursTalking ti
Brand Name: OEM Model Number: CM039 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) computer: headphone microphone Engjoying music:: 8h Standby time:: 200h Charging time:: 2.5~3h Packaging & Delivery Packaging Detail: Color box Delivery Detail: 3-7days Specifications Stereo Wireless Bluetooth Headset Headphone w/Mic 1.Version:2.0V 2.Feasible distance:within 35feet 3.4.Calling tine:9h Stereo Wireless Bluetooth Headset Headphone w/Mic Introduction:1.Bluetooth Wireless Headphone with Microphone2.Wireless chat online. (MSN, Skype, AIM, QQ...)Two-side real time wireless connection3.Motile, Portable Use for PC,Laptop, Netbook...4.Wireless operate the Music Player of PC (Controlled by earphone), 5.Former song/Next song, Volume+/-,Stop/
Brand Name: Longood Model Number: BH-830 Style: Headband Communication: Wireless Connectors: 2.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) warranty: 12 months warranty Packaging & Delivery Packaging Detail: Good packing Delivery Detail: 1-2days Specifications 1. Bluetooth Stereo Headphone 2. Mix order is available 3. Cheap wholesale 4. Fast delivery 5. Paypal acceptted New Bluetooth Stereo Headset Headphone * Bluetooth V2.0+EDR* Up to 6.5 hours talk time and 120 hours standby time. * Fashionable and stylish design* Operating range up tp10 meter* Easy to use
Specifications bluetooth headphone 1) Bluetooth 2.0 Version 2) Transmitting Power: Class 2 bluetooth headphoneWireless Bluetooth Stereo HeadsetFeatures: 1) Wirelessly transmitted stereo music via Bluetooth Adapter (acoustics devices like IPOD, PSP, MP3). 2) Support A2DP mobile phone, the mobile phone can be transmitted stereo music directly. No need the Bluetooth Adapter. 3) With foldable and comfortable headset you can keep enjoying for long time 4) Bluetooth headset designed with 2 purchase of hi-precision speaker, superior sound, powerful bass system Specifications: 1) Bluetooth 2.0 Version 2) Transmitting Power: Class 2 3) Operating distance: up to 10 meters 4) Frequency Range: 2.4026 GHz-2.480GHz 5) Rechargeable battery: Lithium polymer, 450mAh 6) Charge Time: ≤4hours 7) Talk time: ≥22.5hours 8) Listen time: ≥16 hours 9) Standby time :≥180hours 10) Charger specifications: DC5.0V 300mA OEM are Welcome! we can print customer's artwork and logoType of Packing: Color
Specifications bluetooth earphone,bluetooth headset,bluetooth headphone It's our best-selling bluetooth headset currently cheaper bluetooth earphone,bluetooth headset,bluetooth headphone1)Version 2.0, CSR chipset2)Up to 8 hours talk time and 150 hours standby 3)Operating distance: 10 meters (class 2)4)Charging time: Within 4 hours5)1-touch control to answer/end calls6)Enchanced audio performance7)3-way call conference, join 2 separate calls into conference with headset buttons
Specifications bluetooth headphone wireless for mobile phone and pc 1.sport bluetooth headset 2.Range of Wireless Connection:10 meters skype:batterystar bluetooth headphone wireless for mobile phone and pc1.sport bluetooth headset 2.Range of Wireless Connection:10 meters3.used for mobile and pc use the Internet to achieve long-range wireless two-way communication; wireless enjoy stereo music, set aside to answer the call automatically converted, high-fidelity, CD quality sound effects; remote control music playback status (remote control music playback, pause, up and down selections, volume control); High sensitivity, omni-directional microphone design, voice clarity, no echo; 1. Fashionable and sport design,valued type leads wireless life style of Bluetooth Technology.2. Wireless enjoy stereo music 3. Support phone voice dialing function.compatibility with bluetooth headset,MP3/MP4,dial and answer phone.4. Chipset:Latest V2.1 +EDR,
Specifications Sports Wireless Bluetooth Headset Headphone Earphone black red blue green for cellphone •Easy to use •Portable back-hang design, convenient for sports •Allow you answer the phone anytime and anywhere •Suitable for phone or pc Specifications: •Color: Red •Buttons: Play/ Pause, VOL +, VO -, Call/ Receive •Talk time: 4 hours •Standby time: 100 hours•Dimension: About 14.5 x 13.5 cm •Mini USB IN •Built-in lithium battery (charged via USB) •Built in Microphone for Handsfree Cell Phone use •Can answer calls from any phone •Material: Plastic & Rubber
Brand Name: hotom Model Number: hotom007 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Name: Bluetooth Stereo Headset Colour: White ,Red, black charging time: 2 hours horn diameter: 40 mm transmission range: more than 10 meters output power: Class II Packaging Details:: Stardard package Packaging & Delivery Packaging Detail: Stardard package Delivery Detail: 3-4days Specifications 1)Bluetooth4.0wireless headset. 2)Compatible with all Bluetooth A2DP enabled devicce 3)Working more than 24 hours in 30 mete fashion & colorful wireless floding bluetooth headphone bluetooth headset specifications 1) the battery 3.7 V / 500 mah lithium-ion polymer battery2 )calls (bluetooth) about 24 hours3 )music (bluetooth) about 24 hourS 4 )charging time: 2 hours5 )frequency response: 20-20 000 hz6 )horn:32 ohrn7) horn diameter:40 mm8 )bluetooth frequency: 2402 MHZ ~
Specifications 1. Hot Sale bluetooth headphone 2. voice prompt 3. Latest NFC Function 4. Bluetooth New Version 4.0 5. CE,BQB,FCC,RoHS New Version 4.0 Hi-Fi Bluetooth Stereo headset BS042RU Main Features:1.Bluetooth New Version 4.02.Latest NFC Function3.Unique Fashion Design4.Aluminium Material5.Perfect Stereo Sound Quality6.Micro USB Solution7.Supports iPhone, iPad, skype, MSN8. wireless/wired 2 in one flexible multi bluetooth headphone Product Specifications Bluetooth Specification: V4.0 Bluetooth Profiles Supported: Headset, Handsfree, A2DP, AVRCP Operation Range: Up to 10 Meters Talk Time*: Up to 15 hours Music Playing Time*: Up to 15 hours Standby Time*: Up to 300 hours Dimensions(mm): L? x W? x H? Weight: About ?g
Specifications 1.v3.0 bluetooth headphone with high bass performance 2.high quality headphone 3.fashonable, foldable headset. v3.0 bluetooth headphone with high bass performance Advantage 1. Softy leather ear-pud and closed type headphone design for wearing comfort and excelent noise-cancel function.2. Foldable headband for convenience carry, you can enjoy the music or pick up you phone in your trip.3. Specially designed damping perforation, strong bass respponse.4. Powerful magnet systems and lightweight diaphragm to provide high--quality sound.5. Bluetooth V2.1 Stereo Headphone,Class II Specification Transmission range:15-20MReceiver range:10m / 360.Talking time:30hoursCharging time:3-4hoursStandby time:180hoursChipset :CSR Speceification: 1.Bluetooth V2.1 Stereo Headphone,Class II 2.Battery:rechargeable lithium-ion polymer battery (3.7V/600MA/h)3Charger power:computer
Specifications Bluetooth Headset 1.With microphone 2.CE ROHS FCC 3. wireless Stereo bluetooth Headphone 4.With built-in battery Sport Bluetooth Headset (B-602) 1. Soft and scratch-less material2. Fashionable and sport design,valued type leads wireless life style of Bluetooth Technology.3. Wireless enjoy stereo music 4. Support phone voice dialing function.compatibility with bluetooth headset,MP3/MP4,dial and answer phone.5. Bluetooth version: V 3.06: Automatic Switch between calls and music.Can receive and reject incoming calls while automatically stop music 7. Built-in rechargeable lithium battery.