Brand Name: Gini Model Number: BM6 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Fujian China (Mainland) Waterproof Level: stereo Bluetooth Verison: V 2.1+EDR Operation Range: 8 meters Supportd Profiles: DSP, HSP, HFP Item Size: d38x92mm Playing time: 16 hrs Standby Time: 120 hrs Charging time: 3hrs Colour: customized Warranty: 12 months from the shipping date Packaging & Delivery Packaging Detail: 1 in each gift box Delivery Detail: 4 weeks for first order Specifications wireless sporting bluetooth speaker for bicycle -Waterproof IP54 -with soft rubber wrap -bluetooth speaker wireless sporting bluetooth speaker for bicycle &
Specifications bluetooth mini speaker, supporting IPHONE, IPAD, computer, smart phone, hands free calling,with microphone Specifications
Brand Name: HAIMAN Model Number: B10-01 Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Shell material: Wooden Colour: Wooden color Function: Can add/decrease functions depends on clients'requirements Packaging & Delivery Packaging Detail: One B10 bluetooth mini speaker packing size:60*80*53mm One B10 bluetooth mini speaker packing weight:83g Delivery Detail: Within one month after deposit Specifications 2013 wooden bluetooth3.0 speaker Bass mini speaker Vibration speaker WELCOME TO HAIMAN SPEAKER CO.,LTD &nb
Brand Name: BRITEC Model Number: BR-BS010 Use: Portable Audio Player,Mobile Phone,Computer Channels: 6 (5.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) type: bluetooth speaker Packaging & Delivery Packaging Detail: color box,welcome OEM design box Delivery Detail: within 2weeks Specifications 1.Touchkey Portable Wireless Bluetooth Speaker 2.Sensitive Touch button, good outlooking design 3.Color:white,green,pinkle BRIEF INTRODUCTION This is a new kind portable wireless Bluetooth speaker, perfect in connecting your current Bluetooth device,and offering you an wonderful sound enjoyment. The stylish design and portable size enable you to enjoy your favorable music wherever you go. FEATURES&SPECIFICATION 1. Type: por
Brand Name: OEM Model Number: T-BOX Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Stage,Outdoor Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: China (Mainland) Brand: OEM Support: all bluetooth device Model: T-BOX Function: bluetooth working time: 6-8h working distance: 10m Bluetooth standard: V2.1+EDR Materials: ABS Mic: Yes Packaging & Delivery Packaging Detail: color box, blister box. Delivery Detail: 15days after confirm order Specifications 1, Gift bluetooth speaker 2,high-end pyramid design 3,built in lithium battery 4,grey ,black,white color 5,OEM brand High quality pyramid design gift bluetooth speaker Pyramid desigh fashion quality bluetooth speaker 1,Newest design,pyramid shape with Stylish appearance,Very creative products.2,High end level products and fashion best for artwork and gift. 3,Lastest bluetooth 2.1+EDR standard audio transmission technology. 4,Transmission distance about
Brand Name: Sounder Model Number: Queenbox-classic Type: Active Use: Portable Audio Player,Mobile Phone,Computer,iPad, iTouch, Outdoors Channels: 3 (2.1),2.0 channel with strong bass Special Feature: Wireless,Portable,Mini,Mini System, Wireless System Place of Origin: Guangdong China (Mainland) Player Type: Mini speaker Color: Black Power: Build-in 1500mAh battery Work Time: 10 hours for 70% volume Bluetooth solution: CSR, V2.1+A2DP Microphone: With high quality build-in microphone Weight: 0.365kg Package: Paper gift box Packaging & Delivery Packaging Detail: Paper Box or customized package with your own logo! Delivery Detail: Within 30 days after order Specifications 1. Pure clean sound with strong bass 2. Very cool fashion design 3. With build-in microphone 4. More than 10 hours play time Pure Clear Sound 2013 Newest Wireless Bluetooth Speaker-------Queenbox-classic!Very good sound quality!Better sound quality than Jambox!Can connect with iPhone, iTouch, iPad, iPod, smart
Brand Name: OEM Model Number: BP075CU Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Amplification Type: Active Usage: Mobile Phone Bluetooth Specification: V3.0 color: colorful Packaging & Delivery Packaging Detail: color box OEM package Delivery Detail: 20 DAYS Specifications 1 Portable Mini Speaker 2 Unique Aluminium Material 3 Listen to Music Wirelessly 4 CE,BQB,FCC,RoHS 5 Colorful Colorful Aluminium Style! Bluetooth Speaker BP075CU Main Features1.Communication Bluetooth Speaker2.Unique Aluminium Material3.Bluetooth Latest Version 3.04.Listen to Music Wirelessly5.Superior Audio Quality6.MICRO USB Connector7.Support Forward, Back ward & Pause Functions Product SpecificationsBluetooth Specification: V3.0 + EDRBluetooth Profiles Supported: Handsfree, A2DP, AVRCPTransmission Power: Class
Brand Name: SOAP / OEM Model Number: BA02 Type: Active Use: Portable Audio Player,For bicycle accessory,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) available colors: white , black item name: Bicycle Sport Audio name: Bike Bluetooth Speaker Factory making: YES Frequency Range: 300Hz-18KHz Weight: 160G Certification: own patent Mp3 Sound time: 6H to 8H.Structure Dynamic Range: 90db Packaging & Delivery Packaging Detail: gift box, metal box ,customers box Delivery Detail: 5-7 days Specifications 1.Bicycle Sport Audio speaker 2.Bluetooth speaker 3.CE ROHS PATENT 4.No MOQ , Sample order 5.Built in memory MP3 BIKE MP3 Music Player /Bike Bluetooth Speaker SOAP Bike Audio is uniquely designed for your bicycle. Created exclusively provide enhanced biking and listening pleasure, now you can enjoy high quality music with sound steering technology while riding for fun ,sports or even when commuting to work. Soap Full ba
Specifications 1.For Jawbone Jambox Bluetooth speaker 2.with 500mAh li-ion battery 3.support TF card 4.support iphone ipod mp3 For Jawbone Jambox Bluetooth speaker with handsfree function Features:Support: mp3,mobilephone,ipod,iphone etc.Easy to carry, you can enjoy music in everywhere.This model is good choice for promotation gift,and also we can produce without bluetooth funtion. Specifications:Material:ABS and aluminium alloy Power Supply: Rechargeable Li-ion battery 3.7V 300mAhSpeaker Unit:3W*2Frequency Response:100Hz-20KHzSNR:≥85db Distortion:≤0.1 % bluetooth V3.0+EDR Transmission distance: 10M Color: various colors are available Thanks for your visiting and have a good day!
Specifications hamburger bluetooth mini speaker 1.Cute portable 2.stereo sound 3.fast shipping 4.OEM service Shenzhen hamburger bluetooth mini speakers Technology parameter: Frequency response200HZ-16KHZSensitivity S\N80db±2dbDistortion≤0.5%Speaker size40mmSpeaker impedance8 ohmBattery capacity550mAHInput L/R 320mVoutput power3wBluetooth2.4GHZCharge Voltage5V+0.5VCharge time2-3 hoursPlayback time4-6 hoursProduct dimensionΦ60mm*H49mm(closed)Net weight100gwarranty12 monthscertificateCE Rohs FCC Products Specification:1.Comply with bluetooth 2.1+EDR,2. support bluetooth play music, playback time is up to 8 hours3.Support A2DP and AVRCP profile4.RF range is up to 10M5.with interphone function6.the collapsible spirale diaphragm makes the bass stro
Specifications New item 2.1 hifi speaker Hot sale 2.1 multimedia speaker Cheaper 2.1 multimedia speaker 2.1 subwoofer speaker with usb/SD 2.1 multimedia speaker with USB/SD Model:N33 Specification: Feature:Output power: RMS 25W+8WX21, Blue light display, Back power switch; Six keys to equilibrium USB/SD player. Rated impedence: 4 Ohms-18 hms SNR: > 89 dB Speaker units: 5″+ 3''*2 Frequency response: 50Hz-20 KHz Description 1. Built-in USB and SD memory card function, Support MP3 music format 2. With FM Radio Optional3. With Karaoke function,2 microphone socket input 4. Volume, bass, treble, echo, mic-volume separately control 5. Compatible with PC/VCD/DVD/CD/TV and other audio input Our Certificates Such as: CE Certificate Standard Industry Zone Woden Cabine
Specifications 1) Egg shape 2) Support FM radio 3) Support micro SD card 4) Remote control 5) For laptop using Did you ever hear your table singing? Did you ever hear your door playing Jazz?Did you ever hear your window playing Rock?Did you ever hear your oven singing your love songs?Our vibration speaker can make it happen!!! 360degree surround sound!!! Vibration speaker is a magic audio frequency fixture. It is quite different from the traditional one which base on electro-magnetic coils.It makes any hard surface play euphonious musical notes,
Specifications Gucee X6 Appearance Patent Mini Bluetooth Speaker . Appearance patent product . Touch screen mini bluetooth speaker Gucee X6 Appearance Patent Mini Bluetooth Speaker Features:1. Mini Bluetooth speaker with microphone voice calls, hands-free phone radiation away from the Accessibility wireless transmission distance up to 10-40M 2. Full touch control screen design bowl appearance charm fashion mini Bluetooth speaker 3. The little man with big energy, can be 10 hours long life compact and perfect combination of adequate power for mini Bluetooth speaker 4. Using the latest Bluetooth 2.1 + EDR standard high-fidelity audio transmission technology, a key to get connected easier for mini Bluetooth speaker 5. Bluetooth speaker like simple bowl is lightweight portable integrated 6. The high-quality mini Bluetooth speaker, stereo music, bass shock treble support all Bluetooth mobile phones, computers, playing games, watching movies, listeni
Specifications 1.Portable Bluetooth Speaker 2.material: High-grade wood 3.Speaker:1 inch 4.Portable bluetooth speaker 5.mobile:Hand-fre COOL 2013 new portable bluetooth speaker Bluetooth speaker Feature: 1.Model: S02 2. Bluetooth speaker Suit for:iphone,ipad mobile phone, computer, tablet PC 3.Hand-free function:Support4.Size: diameter 4.5 cm, Height 5.1 cm 5.Adjustment: button Specification: Name Portable Bluetooth Speaker Model S02Material WoodenSpeaker unit 1 inchLoudspeaker
Brand Name: Transway Model Number: TW005 Type: Active Use: Portable Audio Player,Mobile Phone,Computer,tablet pc Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Battery: Built-in 450mAH Li-ion battery Built-in Microphone: Yes Speaker Weight: 90g Color: red, orange, pink, yellow, green, blue, purple, black, white Packaging & Delivery Packaging Detail: Color Box Dim (mm): 85*62*62 Delivery Detail: 1-3 days Specifications Bluetooth 2.0/Bluetooth 4.0 Speaker Sucker Built Under the Speaker to Attach to Flat Surfaces Built-in Microphone Fashionable 9 colors waterproof cheap bluetooth speaker Bluetooth Portable Stick On Speaker with Bluetooth connectivity and a Built-In Battery is a great accessory for any smartphone or tablet user, and a great way to get high in any situation. This speaker is easily attached to any smooth surface using the sucker under the speaker and can be attached to places such as glass, your Tablet PC, o
Brand Name: Eearl Model Number: SP-01BT Type: Passive Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: Any color you like Bluetooth: 2.0/2.1 Power: Rechargeable batteries Speaker resistence: 4 OHM Output: 2.5w*1 Support: TF card USB drive Frequency: 200Hz--20KHz Bluetooth distance: 10m receiver sensitive: <-82dBm Feature: Bluetooth Speaker Packaging & Delivery Packaging Detail: Gift box or blister. Can packed as your requested. Delivery Detail: Within 3-25 days depends on the quantity Specifications 1.Wireless Portable Bluetooth Speaker 2.Distance:10m 3.Bluetooth 2.0 4.Rechargeable battery 5.Playing time:6 hours Fashionable Wireless Portable Bluetooth Speaker 1.Attractive appearance2.Also favorable price3.Portable,wireless4.Hot selling and popular Bluetooth Speaker SP-01BT Specifications: output watt:2.5w*11: Bluetooth Ref :2.0; Fr
Brand Name: SIYN Model Number: BP-205 Type: Active,Bluetooth Speaker Use: Portable Audio Player,Mobile Phone,Computer Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: Black, White, Silver, Golden Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 3-7 days Specifications 1. Best wireless bluetooth speaker 2. Hand free kit 3. Your mobile phone best mate Newest Best wireless bluetooth speakers * Battery capacity:600MA * Power Supply: DC 5 Volt * Output Power: 3w* Driver Unit: 52mm , 3ohms* Frequency Response: 100-18Khz * Carton size:380*360*305mm * Quantity / carton:50pcs * N.W/G.W: 11/12kgs * Accessories : Speakers,2 in 1 charge and line cable
Brand Name: OEM Model Number: GP-506 Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Stage Channels: 1 Special Feature: Portable,Mini Place of Origin: Guangdong China (Mainland) color: optional certificate: CE/RoHS/FCC MOQ: 1000 pcs Loudspeaker size:: 40mm 40 OHM Output:: 5w Battery Capacity:: 900mAh Unit size:: 70DX30(in)H or 42(out) H Package:: 1pc/Acrylic box Charging time:: 1 hour Aux jack: 3.5" audio head Packaging & Delivery Packaging Detail: Acrylic box,or colored box Delivery Detail: 15days Specifications 1 bluetooth speaker 2)amazing sound effect 3)OEM color and logo 4)NFC speaker 5. fashion pop up design 2013 new and hot wireless portable strong bass NFC bluetooth speaker Breif introduction: 1.strong bass perfermance .2.Compatible with all line in audio source,MP3,Note Book PC,Gaming Devices,iPod, Mobile Phones,CD player3.Built in rechargeable Li battery4.outlook in special style,it is larruping &n
Specifications 1. New fashionable style, attractive outlooking 2. Widely used for PC, Mobile, tablet 3. Bluetooth wireless Technical Specification RMS3W + 3W = 6WDrivers2.5” Full Range x 2Distortion0. 5%@1WSeparation≥40dB(1KHz)Frequency80Hz – 20KHzS/N≥70dBDimension (WxHxD)280W x 95H x 100DInput /Output STEREO / --Satellite Line Length---Function SpecBluetooth, VOL+/-, POWER,, AUX IN,Play/Pause,FMN.W./G.W./Gift BoxL x W x HCartonL ×W ×H 10Sets/CartonContainer3680Sets/20’ 8080Sets/40’ 10100Sets/40’HQ
Specifications NFC Bluetooth Speaker NFC Speakers Built-in Battery Microphone Bluetooth NFC Bluetooth Speaker with Built in Microphone, 2x 3 WattIntroducing: Introducing Chinavasion’s first NFC equipped portable speaker. Using Near Field Communication, connecting a NFC enabled phone to the speaker couldn’t be easier. With a simple tap against the speaker, both devices will automatically pair and blast out your favorite tunes. And don’t worry if you don’t have any devices packing NFC, you’ll still be able to connect to the speaker using Bluetooth!How To Get Prices For This Product:- Note down the Chinavasion product code [CVXD-A242]- Click the Alibaba "Contact Now"- Email us with the product codes you're interested in.- We'll reply to you with prices in one working day!------------------------------------------------------------------------------------------------ Manufacturer SpecificationsGeneral * Bluetooth: BLuetooth 3.0 +
Specifications mini bluetooth speaker 1.ABS+ Aluminum 2.fast delivery 3.one year warranty 4.CE,FCC,ROHS certification Newest Mini Bluetooth Wireless Speaker, Rechargeable and Portable 2012 new mini wirelessBluetoothspeaker with hands free for mobile phone(music angel bluetooth speaker) Product Description It is an ultra-compact portable Bluetooth stereo speaker w.Compatible with all Bluetooth-enabled mobile phones, Tablets PC/or any device with an AUX-In 3.5 mm interface. Includes an built-in omni-directional microphone perfect for conference calls or answering calls hands free. Technical Parameters:Rated Impedance:4ohmRated Power:3wR
Brand Name: Fanntech Model Number: FT103 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage Channels: Stereo Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: Purple/Red/White/Pink/Blue Speaker Output Power: 4Ω 2W Audio Output: Built-in Mini USB Jack Power Source: Rechargeable Li-ion Battery Frequency Response: 100Hz-20KHz Signal to Noise: ⥠80 db Distortion: â¤1% Material: Plastic Certificate: CE/FCC/RoHS OEM/ODM: Accept Packaging & Delivery Packaging Detail: Neutral/Customized Gift Box: 62.5*62.2*116.5mm (WHD) Carton: 345*295*335mm (WHD) 40pcs in one carton Gross weight per carton: 6.3kg Delivery Detail: Sample 3 Days /Mass Production 10-12 Days Specifications Bluetooth Speaker with Super Bass System Powerful Built-in Amplifier Elegant and Mini Design Bluetooth Hi-fi System Fanntech Bluetooth Speaker - FT103 Bluetooth stereo player by wireless way to enj
Specifications mini bluetooth speakers 1.mobile phone speaker 2.High quality,small beautiful appearance 3.Bluetooth handsfree functio Welcome you to visit our factory Specifications Mini Wireless Bluetooth Speaker 1.Excellent sound 2.Fashionable look 3.Bluetooth handsfree functio
Specifications Bluetooth speaker 1,Bluetooth V 2.0 2,Blue and white porcelain appearance. 3,Support headset, hands free and vehicle SOC Bluetooth speaker for cell phone &android phone Blue and White Porcelain Bluetooth Version: 2.0 + EDRFrequency Range: 2.4GHZ~2.480GHZRF Power: <3.5dBmWorking Distance : Up to 10 metersStandby time: 100 hours Battery Capacity600mAhBattery Voltage4.2VUSB input Voltage4.8V~5.5V USB input Current500mAhPlayback time6 hoursCharging time2.5 hours Bluetooth V 2.0 Blue and white porcelain appearance.Support three application modes--headset, hands free and vehicle mode.Us
Specifications 1. bluetooth speaker new model 2. with FM raido 3. support TF card 4. use for phones New product J2 in special design bluetooth speaker with TF support for phones Eternal love: red, blue, black, orange, yellow, purple 6 colors for customers to choose. Insert TF card, can use for iphone and Ipad Product features: 1.Global unique patented technology-----The expandable cavity resonance(Increasing the cavity resonance space) 2.TF card speaker: support TF card,battery inside,Independent play,Do not need to connect with other audiodevices 3.Adaptation of audio equipment:MP3,MP4,PSP,computer,mobile phone and so on Audio equipment
Brand Name: SHUWEI Model Number: SW-025 Type: Active Use: Portable Audio Player,Mobile Phone,Computer,gift,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) For use:: MP3/MP4,mobilephone,PC Special funtion: bluetooth Material:: ABS&Aluminium shap:: mini speaker box Color:: Pink,Black,Slivery Interface:: TF Card Slots:: TF Card Packaging & Delivery Packaging Detail: Each unit in plastic bag then in a color box; Delivery Detail: less than one month Specifications -bluetooth speaker -wireless -Support USB ,TF, , -for MP3/4,PC,mobilephone -Rechargeable battery Product No.:SW-025 Technical parameters: FeaturesBuilt-in battery Built-in rechargeable battery Audio output 3.5MM stereo audio output interface Power outage memory can automatically remembers the tracks when last time exit Bluetooth Maximum receiving distance of 10 meters USB Card reder can connected with the compute
Brand Name: Botao Model Number: MS-067 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) color: custom Style: Portable Support TF Card: Yes Power Supply: Rechargeable Battery Pack Function: Microphone hands free calls Bluetooth Version: V:3.0 Option: FM Radio Packaging & Delivery Packaging Detail: 1pcs/color box,50pcs/carton. Delivery Detail: 18-25 days after receiving the deposit Specifications 1.Support TF card play music. 2.bluetooth hands free calls. 3.Aduio input. 4.with microphone. 5.Aluminum alloy material. Aluminum alloy Bluetooth Speaker with Hands free calls Features:(1) Can play music by link to mobile phone,MP3,MP4,PC,Ipod and other audio devices, if you devices have 3.5mm socket. (2) Suitable for Promotion, Gift, Store for sell. Pocket size to carry anywhere (3) Charging Indicator (4)Functions:TF card/For m
Brand Name: Enjoy-ing.cn Model Number: bluetooth speaker Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: Black based on: bluetooth wireless technology Bluetooth Product Type: X02 Product Specification: 80 * 80 * 22 (MM) Bluetooth Version: Bluetooth V2.1 + EDR Frequency range: 2.402-2 .480 GHz Link distances: 10 to 20 m Support agreements: HSP, HFP, A2DP Charging time: 2 hours Standby time: 900 hours Packaging & Delivery Packaging Detail: Packaging Details: 50PCS/BOX Exquisite packaging and safety I hope you can come to consult Delivery Detail: Sample 1day small order 3days OED in 7days ODM 10days Specifications This product is based on Bluetooth wireless technology design and development of car-basedwireless hands-free system. Factory direct Wholesale OEM ODM Bluetooth Products.Include Vehicle Mounted Bluetooth,Bluetooth Speaker,Bluetooth Receiver
Specifications wireless bluetooth speaker with microphone 1.mini bluetooth speaker 2.with microphone 3.best quality 4communication function wireless bluetooth speaker with microphone1.mini bluetooth speaker2.with microphone3.best quality4.communication function Features:Working with any 3.5 mm stereo jack, perfect for laptops, phones, portable game devices, MP3/MP4 players, etcSize defying sound - Vacuum bass design provides amazing volume and bass response in a small space-saving speakerBuilt-in rechargeable battery - Long-lasting rechargeable internal li-ion batteryWith audio cable and plugs for connecting to audio source, you can charge speaker while listeningveries kinds of colors and designs for your choiceSpecification: Frequency Response 180Hz~20KHzImpedance 4Ω Output 3.7V, 300mA, 3WInput 5.0VSpeaker Size(Φ) 40mm Battery 300mA rechargeable battery Charge Time DC5V-2.5hrs;
Specifications 1. Iron cabinet; 2. Hands free function, with microphone; 3. Play Micro SD card 2013 High quality new bluetooth speaker with 10m range 1. Iron cabinet2. Support MP3 format playback from Micro SD card3. With phone-answer funciton4. With earphone jack5. With Bluetooth audio6. Compatible with PC, Mp3, Mp4, iPod, cell phone… with 3.5mm output jack7. High quality speaker to reproduce perfect sound8. Built-in lithium battery can work about 4 hours Output power:RMS 3W(3W*1) THD=10%Frequency response:150-18KHzSpeaker:2inch; 4ΩS/N ratio≥80dBOutput voltage/current:3.7V 500mAInput voltage:5.0VAccessories1) 3.5mm stereo LINE IN cable2) USB charging cable3) Built-in lithium battery