Specifications Specifications 1.For iPod & iPhone bluetooth speaker 2.2.1Ch amplifier & wooden speaker 3.LCD display 4.alarm clock Product Features 1. For iPhone/iPod/PC/TVS/MP3 bluetooth speaker2. For iPhone 1G.2G.3GS.4G /iPod 1G.2G.3G.4G./IPOD TOUCH 1G.2G.3G.4G 3. Built-in alarm clock. with samsung galaxy docking 4. Built-in high quality 2.1CH AMPlifier/SPKeakers., 5. Built-in subwoofer & four stero speaker 7. Chargeable for iPod/iPhone, center control and full function control, 8. Wooden box. 9. Design for floor stand 10. Video out for playing videos from your iPod & iPhone on a TV11. RCA & 3.5mm audio in port for MP3 or other digital audio players. 12. Full function Remote control13. WITH bluetoot CE/FCC/ROHS/ERPII/REACH SpecificationsSpeaker 3.5''×4 (treble)+5.25’’x1 (bass)&
Model Number: UT-AF-61BT Type: Active Use: Home Theatre,Portable Audio Player Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: China (Mainland) Display screen: LED Support: Bluetooth function; FM radio;USB/SD card Rechargeable battery: BL-5C Fitting type: MP3/MP4/IPOD/Computer USB/SD card and other device etc. Loud speaker: 45MM; 4Ω Signal and noise ratio: â¥80dB Color: White Packing: White Box Packaging & Delivery Packaging Detail: White Box Delivery Detail: 30 days Specifications AF digital Speaker With LED Display screen;FM radio Bluetooth function; FM radio;USB/SD card Rechargeable battery:BL-5C Display screenLEDSupportBluetooth function; FM radio;USB/SD cardRechargeable batteryBL-5C Fitting type MP3/MP4/IPOD/Computer USB/SD card and other device etc.Loud speaker45MM; 4Ω Sig
Specifications 2013 New Mini Bluetooth Speaker with Hands Free Function 1. Speaker for MP3/MP4 2. Speaker for Phones 3. Speaker for Laptop 2013 New Mini Bluetooth Speaker with Hands Free Function ----------Features----------------------------------------------------------1. High Glossy Surface 2. Easy access volume control3. Excellent Sound Performance4. Plug and Play / No Driver Installation Required5. Magnetically Shielded to prevent distortion from screens6. Compatible with all Brand Name and Model PCs and Laptops7. Has hands free function 8. Built-in li-ion battery 9. 3.5mm jack 10. CE,ROHS ----------Specification----------------------------------------------------- BMS002Basic InformationMaterialMetal + ABSAvailable ColorBlack, Silver, Blue, RedNet Weight243 gGross Weight340 gSize57*59.5*59.5 mmLogoPad printingAccessoriesUSB cable, audio cable, user manualPacking infoGift Box 111*68.5*70mmCarton Size50 pcs/carton 47.5*40*20
Specifications 1. bluetooth speaker 2.Can be connected with iPhone, iPod, iPad mobile,Mp3 3.With FM radio &TF Function 4.High sound quanlity LF-119M Portable Bluetooth Speaker u FEATURES ² 1.Outpower:3w*2 ² 2.Loud speaker:45mm ² 3.Signal and nosie ratio;>=80DB ² 4.Play mp3 format music from mp3/mobile/computer/TF cards. ² 5.Bluetooth connect to pc/mobile/ipod/and so on. ² 6.With FM radio function. ² 7.Support USB/TFcards for 16G at most ² 8.External rechargeable battery :BL-5C ² 9.Material:ABS plastic ² 10.Accessories:dc power supply cable ² 3.5mm audio tie-in u ACCESSORIES ² QTY: 40PCS² G.W:9.6KGS² N.W: 13.8KGS ² MEAS:25.4*48*62  
Brand Name: OEM Model Number: FMBLT010 Type: Active Use: Bluetooth Speaker,Home/Office/Gift bluetooth Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Material: Bluetooth Aluminum alloy+ABS Color: bluetooth Red, Blue, Silver, Black Weight: 140G bluetooth Support: Bluetooth, TF card, Hand-free, Line-in Packaging & Delivery Packaging Detail: Bluetooth speaker (1)White bx (2)Meas:54.5*25*27.5CM (3)Qty:100P/CTN (4)N.W./G.W:6/9kg Delivery Detail: 12-15days Specifications Mini Micro Wireless Bluetooth Speaker 1.Bluetooth 2.0 2.Portable to take 3.Support OEM 4.With TF card bluetooth speaker micro bluetooth speaker wireless speaker support TF card (hot selling) bluetooth speaker----led light Bluetooth Speaker main specifications:(1)Bluetooth version:Bluetooth v2.1+EDR(2)Working Range: 10meter(3)Built in 400-500mA rechargeable battery(4)Working time: 3-5hours(5)Support A2DP V1.2, AVRCP V1.4 profiles;(6)Support Line-in(7)Support mus
Specifications mini bluetooth speaker T-Flash card reader function Bluetooth communication rang: 50M 420mAH Lithium Battery Wireless mini bluetooth speaker with good tone quality &nbs
Brand Name: HoXen or OEM Model Number: L-47A Type: Active Use: Portable Audio Player,Karaoke Player,Stage,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable Place of Origin: Guangdong China (Mainland) speaker: bluetooth speaker(L-47A) certificates: CE,FCC,RHOS Speaker size: 4 inch charging time: 4hours output power: 30W rechargeable battery: 12V/2.6A,4.5A working time: lasting 6hours after full charging function: Radio/Remote control/wireless MIC/USB/SD input: AUX and MIC input Delivery: 30 days after receive the deposit Packaging & Delivery Packaging Detail: carton box with the LOGO and the details of the speaker . package:the package is brown carton box and with foam in the box to protect the speaker , but if the quantity is more than 500pcs we will make our customer with gift box size of package:28.5*24*37.5CM 20FT:1000PCS 40FT:2100PCS 40HQ:2560PCS Delivery Detail: within 30days after receive deposit Specifications Bluetooth speaker 1) 2 years warranty 2) CE,RHOS,FCC 3) w
Specifications Hamburger Shape portable bluetooth speaker with microphone 1.Creative design 2.with microphone Hamburger Shape portable bluetooth speaker with microphone Features:1. With creative design, fashionable and attractive2 .Can play music by link to mobile phone,MP3,MP4,PC,IPOD and other audio devices, if you devices have 3.5mm socket. 3. Suitable for Promotion, Gift, Store for sell. Pocket size to carry anywhere 4. Charging Indicator 5. Bluetooth connect to PC/Mobile/IPOD and so on 6. Microphone function, can answer the phone7. Support TF card function 8. Support FM function 9. Bluetooth version:2.110. Multifunctional cable with both USB connector and 3.5mm Stereo connector11. Packing: product box: 11x5.5x12cm &
Specifications Mini bluetooth speaker 1, Portable rechargeable speaker 2,Mini portable speaker for laptop 3,For PC,MP3,Iphone,ipad Specification: SpecificationsProduct namePerfect Mini wireless bluetooth speakerItem no.ES-E817Bluetooth SpecificationV3.0Hands-free functionYesDistortion≤0.5%RF Range10MFrequency Response20HZ-20K HZLoudspeaker Output4Ω3WWorking voltage/current3.3~4.5VCharging voltage/currentDC 5VSignal-To-Noise85±2dBBattery Capacity550mACharging Time2hPlayback Time3~4HMaterialMetal + ABSColorOptionalWeight345gProduct dimension60*58mmPackagingGift BoxCarton size36/23.5/37cmG.W/N.W per carton17.6/17.25KGQTY/CTN50 pcsMOQ1000Delivery Time20 days Product positioning and selling points: Brand/Model NoProduct positioning and selling points ES-E801 Sell points:lmetal sense design;lportable, hanging portable designlBluetooth wireless audio transmissionlvariety of classiccolorforchoicelWith phone handsfreeparameter:Support Bluetooth audio
Specifications Bluetooth speaker with MIC and FM USB / SD / Aux-in supported Compact / Mini size 2.1 channel PASSIVE woofer
Brand Name: www.sw-box.com Model Number: mobile phone speaker Type: Passive Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 2 (2.0) Special Feature: Portable,Mini Place of Origin: Guangdong China (Mainland) SKU: 45265 Weight: 0.49Kg Color: Black Packaging & Delivery Packaging Detail: Poly Bag / Customized Blister / Color Box Delivery Detail: 1-5 Working Days Specifications mobile phone speaker Meggaboom Oval Streamline Bluetooth Speaker - Black Meggaboom Oval Streamline Bluetooth Speaker - BlackBased on Bluetooth frequency hopping stereo data transmission technology, Bluetooth stereo speaker is a multi-functional Bluetooth speaker with capability of both wireless and wire audio input. With CLASS II power level, it can support headset, hand free and vehicle reception. It has unique stereo floating point computing technology which makes the sound more lifelike, enabling you to select at your own will.Function:Use DSP to decode MP3 and SBC.A 2.0 channel sound system.Tu
Brand Name: bjd music Model Number: E-370 bluetooth speaker Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Portable,Mini Place of Origin: Guangdong China (Mainland) Speaker drive size: 45mm*1 Dimension: 60*50*50mm Color: Red,Silver,Blue,Black,Golden Material: Aluminium alloy OEM/ODM: Yes Warranty: 24 months Multifunctional: Bluetooth,TF card,MP3,Mobile,Phone Handsfree Feature: Poratble,mini,rechargeable,colorful Product design: Round speaker boombox Certificate: CE,RoHS Packaging & Delivery Packaging Detail: Neutral packing,Packaged by gift box,50Pcs/Ctn. Delivery Detail: 7 days after confirm the sample Specifications Portable Mini Bluetooth Speaker With bluetooth TF card AUX 1.With bluetooth,tf card,AUX, 2.Sound bass,clear alt 3.Best price Portable Mini Music Bluetooth Speaker With bluetooth TF card AUX Phone Handsfree Specifications: Support TF Card,A2DP,AVRCP,he
Brand Name: Cote Model Number: CoteBS-M3 Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Loudspeaker output: 3W*1=3W Speaker: 40mm*1,4Ω,3W Charging time: About 2 hours Playing time: 10 hours Appearance: rectangle shape Packaging & Delivery Packaging Detail: Gift box for each one, and then pack in carton box.50PCS/CTN Delivery Detail: 7 days after comfirm the orders Specifications Rectangle Wireless bluetooth speaker Min Order 1 pieces Logo and OEM are avaliable Use: used for Audio computer mp3/4player Rectangle Wireless bluetooth speaker at outside playing 1. Easy connection, no wires. 2. Built-in rechargeable battery The best quality portable bluetooth speaker for outside playing 3. Works with all Bluetooth-enabled devices 4.Without docks or cords, the speaker can be carried from room to room or thrown in a bag. 5.Enj
Specifications Portable docking station bluetooth speaker for ipod/iphone 1.bluetooth speakers 2.docking station bluetooth speaker Model numberG/WN/WCraton sizexst-6011661g500g61*31*46.5CMApplication method: Turn on the audio, iPod music play Press mode key, then chose iPod, FM, Aux and play (the system default is iPod) iPod play: choose iPod play, and press the play key and then the audio will play the music which stored in iPod (U can choose the list) Under the iPod play music status (U can change current music) FM audio: set the FM and it can be automatic search When FM audio under status, press the play key, then enter FM audio automatic search You can change the FM by yourself FM chooses, choose before and after FM Sound volume: you can adjust the volume Increase or decrease Setting the time and alarm clock: enter ‘set’ key, after third seconds be in set condition Then you can set time by yourself &nbs
Brand Name: OEM Model Number: X1 Type: Active Use: Portable Audio Player,Computer,Outdoor Special Feature: Portable,Mini Place of Origin: Guangdong China (Mainland) Speaker: Mini speaker Packaging & Delivery Packaging Detail: Carton Delivery Detail: 20 days after receive 30% deposit or as clients require Specifications Portable USB mini speaker 1.With USB 2.OEM available 3.Bluetooth 4.Rechargeable A. Model No.:X1 B.Product pictures C. Company introduction . Full Team International Industrial Limited ,mainly produces and exports speakers including : model speaker, plastic speaker, aluminium speaker, wooden speaker,card reader speaker,5.1speaker,2.1speaker,stage speaker,ect. Your satisfaction is our energy !
Specifications best quality bluetoth speaker high quality colorful speaker for you choose good serviceUse Home Theatre,Portable Audio Pla Detailed Product Description
Brand Name: BORIYUAN Model Number: SK-EL-KK Place of Origin: Guangdong China (Mainland) design: unique status: in stock colors: as photos warranty: 1 year quality: high price: cheap Compatible Brand: Apple iPhones Material: Other Packaging & Delivery Packaging Detail: or according customer's requirement Delivery Detail: 1-15 days after receiving deposit Specifications For iphone speakers Wireless Rechargeable Portable Bluetooth Speaker 1.high quality 2.Demen:60 x 60 x 50mm 3.Weight:230g For iphone speakers Wireless Rechargeable Portable Bluetooth Speaker Description:There are four colors of red blue silver black random delivery1.100% brand new and high qualitySupport for phone / Laptop / Tablet PC support TF card (Mini micro card)Modular Buddy-jack design: Connect a row of mini speakers to get jaw-dropping audio performanceExpanded Bxs (Bass Epansion system) drives a fuller, richer low-end responseNew, larger 45mm driver delivers precise highs for superb soundCall answ
Specifications mini bluetooth speakers with hands free microphone 1.call pickup 2.3w output 3.colors available 4.AUX in Features:Works with most Bluetooth-enabled deviceCall pick up/ hang up, won’t miss any call.Aux-in port for connecting with other music devices Volume controlMedia control: pause, play and Music TrackRedial last numberMicro USB power charging portBuilt in li-ion battery 260mah.. Various colors for your pick up! &nb
Specifications 1.Communication Bluetooth Speaker 2.Listen to Music Wirelessly 3.CE,BQB,FCC,RoHS * Universal docking for iPhone * FM radio * 2.0 channel output : 2W*2 * 3.5mm audio input jack to play any
Brand Name: DOSS Model Number: DS-1168 Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Outdoor Place of Origin: China (Mainland) color: red,silver,black,bluetooth Special Feature: Wireless, Portable, Mini Bluetooth: V2.1+EDR Channels: 2 (2.0) Specifications 1.New Doss bluetooth speaker 2.Bluetooth V2.1+EDR 3.With Handsfree function 4.Dual battery 5.Alloy steel Air Bass New Mini Bluetooth With Handsfree Function speaker for iPhone Feature: 1. Special Doss voice prompt,calling answer,voice notice phone number. 2. Military technology shell,Alloy steel,antiwear 3. Exquisite design,easy cooperating. 4. Pneumatic pressure cone technology,neodymium iron boron speaker,perfect quality sound. 5. Dual power,built in 3.7v 500mah lithium battery,external dock 3.7v 102
Brand Name: DOSS,OEM Model Number: DS-1168 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage,For ipad and Ipod Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Frequency response range: 65Hz-20KHz SNR: â¥55dB Distortion: THD<0.5% Power supply mode: Lithium battery Warranty: 1 year Rated power: PO=1.5W Color: Red star,passion red and space silver Weight: 499g Size: 10.4*9.2*8.8cm Packaging & Delivery Packaging Detail: Retail package Delivery Detail: Within 7 days Specifications 1. Very mini big sound bluetooth speaker 2. Bluetooth certificate 3. Accept OEM 4. Available price 2013 mini new design fashion cheap portable bluetooth speaker Features:1.The workmanship is meticulous and simple sense is good.2. It's convenient to operate bluetooth. 3. Speaker 
Specifications high quality wireless portable small bluetooth speaker Support FM automatic searching up to 10 meters Line in function CE KOHO Company Profile: 1.KOHO is leading professional manufacturer of digital consumer electronics.2.The area of factory is 10,000m2,500 workers and above 50 engineers with above 10 years of experience in the electronic fields.3.We have many SMT machines and with enough assembly lines, with full test system.4.Main Products:Digital Photo Frame,Tablet PC, Game player, Advertising player, Waterproof speaker, and some other popular electronic products.I5.SO9001 ISO14000 certification to meet the strict quality requirements of our customers.4.CE,FCC,Rohs,UL certification to meet the standard certification all over the world.5.OEM and ODM productionWe always try to find best way to offer a quality products and service with competitive price Specification1. Connect with cell-phone and computer with bluetooth function Wireless receiving ,Avail
Brand Name: HL Model Number: HL-M17 Type: Active Use: Portable Audio Player,Mobile Phone,Computer,Outdoor,indoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Communication: Wireless Bluetooth: EDR2.0 Function: Receive phone call, mini speaker, mp3 player, USB disk drive Connection: Bluetooth Outside shell Color: Black, Silver, Orange, Silver gray, Item Size: 95*55*9mm Item net weight: 90gram Packaging & Delivery Packaging Detail: 1. 1pc/crystal box/bubble bag; 45pcs/Carton box. 2. Carton box size: 41.5*25*25cm, 13kg/Carton. Delivery Detail: Within 1-2 working days afater payment received Specifications 1. Smallest, Lightest! 2. Elegant outside design, suit as gift. 2. Multifunction. 3. Factory, OEM. 4. Sample order accept. 2013 New Product Elegant Design Multifunction Bluetooth Speaker 1. Smallest, Lightest!2. Elegant outside design, suit as gift.2. Multifunction.3. Factory, OEM.4. Sample order accept. &nb
Specifications battery powered speakers 1.with usb/sd/FM 2.power:120W 3.woofer:15inch 4.bluetooth speakers best battery powered speakers bluetooth speakers for sale
Specifications 1.Bluetooth speaker 2.Support Micro SD card 3.Ultra-simple style design 4.Build-in Lion-battery 5.Hands-free talking Best sound quality and fashionable bluetooth speaker EX350 delivers stunning hi-fi audio in a portable wireless speaker so compact you won’t believe it when you hear it. Its loudness with output capacity of 85 decibels, music fills even the largest rooms. Bluetooth Speaker EX350 It is a simply the smallest, best bass sounding wireless speaker. It has the ability to produce extreme high (tweeter) and low (woofer) frequencies from a single bass. Amp up Your Music, Movies, GamesDon't let tiny computer speakers sap your sound. All your media deserves great audio, no matter what device it's played from. With EX350, you'll feel the thump of every kick drum, the room of every car chase and crowd with every buzzer-beater - bringing all your mobile media vibrantly to life. And with about 5-7 hours of
Specifications standard accessories 1. Main unit 2. 2 in 1 cable( USB + Line in ) 3. User Manual BF-N22 Mini Bluetooth Speaker Technical Specifications 1. Work voltage: 3.3V~4.5 V 2. Work current: <30mA (Bluetooth module) 3. Transmit power: Class2 less than 4dbm, low radiation. 4. Spread spectrum: Frequency Hopping Spread Spectrum 5. Bluetooth protocol support: A2DP V1.2, AVRCP V1.4 profiles 6. Frequency range: 2.402-2 .480GHz (2.4GHz ISM Segment) 7. The receiver sensitivity: <-82dBm, BER <0.1% 8. Frequency range of the speaker: From 200 Hz to 20 kHz 9. Signal-to-noise ratio: ≥85dB 10. Speaker configuration: . 1.5 “ high-density dual-frequency magnetic horns and 1*2.5W power 11. Battery: build-in 500MA lithium-ion battery 12. Play time: ~4.5hours after full charged 13. Charging voltage: DC5V 14. Full charging time: ~3hour 15. Dimension: 80mm(W)* 50mm(D) * 50mm(D) &nb
Brand Name: Ansonwell Model Number: ASW-SBL001 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Stage,Outdoor,Travel Channels: no Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Material: ABS Plastic Color: white,gray,black Product Size: 140*65*30 Weight: 0.171kg Packaging & Delivery Packaging Detail: Color box & OEM packing Delivery Detail: 2-5 days Specifications bluetooth speaker 1.for mobile phone,MP3,computer.. 2.Support TF card 3.Bluetooth Remote Control 4. LED screen bluetooth speakers Features:1.Touch-sensitive buttonsPlay stereo music from any A2DP sourceAux line in for portable music players,2.dual track3.Built-in stereo Bluetooth transfer technology4.Detachable and rechargeable battery,up to 8 hour music playing time5.Functions: - Switch on / off, Pairing Transfer stereo music from any A2DP source or other portable music players,volume adjustment6.power:2.5W*2Material: ABS Plastic  
Brand Name: GY Model Number: BT-08A/B Type: Active Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Material: ABS Power Rating: 2.5W*2 S / N: â¥89db Power: Polymer battery Color: various for your choice Output: 5V Frequency Response: 100HZ-- 18KHZ Speaker: 2W/4Ω Size: H53.5*D66mm Weight: 178g Packaging & Delivery Packaging Detail: Color box packaging QTY: 100PCS/CTN N.W: 10 KGS G.W: 11 KGS MEAS: 59*28*52CM Delivery Detail: 7 days Specifications 1.power sound 2.Hot MP3 speaker 3.Li-ion battery 4.USB rechargerable 5.bluetooth speaker for iphone5 2013 the newest design bluetooth speaker with power sound and wireless MIC Feature: portable mini speaker is one of our best seller products. 1: Super sound performance& innovation design. 2: Hidden 3.5mm audio plug for easy connection to any audio devices. 3: It enables yo
Brand Name: KNN Model Number: SK-S10 Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: China (Mainland) TF card: Support 16GB(MAX) TF card Loud Speaker: 4Ω 3W Signal&noise ratio: â¥85dB Frequency: 150-18KHZ Power port: 3.5mm mini stereo plug Battery: 600MA Power:input: 5V 500MA Material: Steel tube Packaging & Delivery Packaging Detail: Normal packing Delivery Detail: 10-15 days , depends on quantity Specifications Mini bluetooth speaker With TF card Built in answering the phone Mini bluetooth speaker with TF card built in answering the phone 1.Support 16GB(MAX) TF card2.Loud Speaker:4Ω 3W3.Signal&noise ratio:≥85dB Frequency:150~18KHZ4.Power port:3.5mm mini stereo plug5.Built in 600MA Li-ion battery6.Power:input:5V 500MA7.Built in Bluetooth8.Built in function of answering the phone9.Color:Silver,Black
Specifications Mini vibration bluetooth Speaker 1.bluetooth range up to 10m 3.Play time: up to 3 hours 4:with FM/USB/TF card 2013Promotional!!Manufacture cheapest Kaidaer hifi high quality mini bluetooth speaker,vibration bluetooth speaker GD-066BT Best Seller Mini Vibration Bluetooth Speakers detials: (1)Unit Size:60(L)x60(W)x58(H) mm(2)Weight:90g(3)Color:blue,grey, red(4)Material:Plastic+metal Main specifications: Rechargeable Bluetooth Mini Wireless outdoor Speaker For iPod/iPhone/iPad/PCPortable Wireless Bluetooth Speaker with Hanger with hi-fi Sound Quality Amplifier (2W ) 1.Support iphone, ipad to listen to music , play games.2.Bluetooth standard EDR 2.0, support A2DP V1.2, AVRCP,V1.4 profiles3. Transmission distance :10m4. Different colors, diverse choices5. Frequency: 20Hz-20KHz6. S/N ratio: 85 dB7. Play time: up to 3 hours8. Accessories: USB cable, Line-in cable, User manual. Product Specifications:NameBluetooth S