Specifications Bluetooth Speaker Material:Plastic Size:160*52*52mm Color:Black or White Support FM Radio,USB/TF Card,NCF,Auxin 2013 New Black&White Magic cube bluetooth speaker/Mini bluetooth speaker/bluetooth mini speaker Specifications:luetooth SpeakerMaterial:PlasticSize:160*52*52mmColor:Black or WhiteSupport FM Radio,USB/TF Card,NCF,Auxin EXCELLEN SOUND, FASHION LOOK, SUER QUALITY Basic Infomation:Product Dimension:160*52*52mmSpeaker Size:40mmImpedance:4 ΩPower:3Wx2 Total Performance:R.M.S.:2WX2Frequency Response: 160±20%HZ SNR: 50dBBattery:1000mAh Extra Function:FM Radio---------------------YESUSB/TF Card----------------YESKaraok-------------------------NONCF-----------------------------YESAux In----------------------------YES MORE PHOTOS BELOW FOR REFERENCE: PACKING PHOTO:
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: OEM Model Number: A-5133 Type: Passive Use: Portable Audio Player,Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Portable,Mini Place of Origin: China (Mainland) Amplifying sound: 13db CLOR: white&red&yellow&green&black SIZE: W55xH55xD55mm Packaging & Delivery Packaging Detail: BOX PACK Delivery Detail: WITHIN 2 DAYS Specifications bluetooth speaker for MP3 MP4 Player PC Table for iPhone Cellphone USB Music Player Free shipping For iPod iPhone PC Multi Color Mini Balloon Speaker Audio Dock Description: Funny ball audio dock is a ultra-portable, battery operated mini stereo system that plays music from your mobile phone, MP3, MP4, PC, IPod and other audio devices with 3.5mm audio plug. Compatible with: Mobile phone with 3.5mm audio plug. Iphone, Ipod, MP3, MP4, PC and so on. Parameter Output power(RMS):3W Built-in Rechargeable polymer battery lasts up to 6 hours
Brand Name: Hong Yu Model Number: BT-208 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Applicattion: For iphone/ipad/pc/smartphone/phone/MP3/MP4 Size: 180*180*180mm Power: 4V 8W Sensitivity: 80DB+2DB Chip: CRS3.0 Working time: 6 hours Speaker diameter: 3.5 inch Freqency time: 20HZ-20KHZ Battery: 2400mAh Input model: Bluetooth,AUX IN 3.5, USB Packaging & Delivery Packaging Detail: 1.Standard package 2. According to the client's demand Delivery Detail: Sample:1-3 days. order:25-30days Specifications Bluetooth speaker 1.New design and factory direct 2.Aux audio input 3.Mini USB,data transmission 4.TF card music playing New product Bluetooth speaker 1.AUX audio input 3.5mm audio input jack cambe easily connected to these audio source such as pc,iphone,MP3,MP4.phoneand so on2.Mini USB data transmission
Specifications Portable wireless mini bluetooth speaker 1.with MIC 2. With Line-in 3.Output power: 3W Portable wireless mini bluetooth speaker Packaging customize nfo. * Current we use Gift color box. Pls email us for details and packing !* Order Qty over 3,000 pcs. We can customize your packaging. *Pls contact us to set the details OEM & ODM *Our R&D team can meet your specific function requests of the products. So pls let us know your ideas*We also like to introduce our new items to you if you leave with your contact info to us! Why Choose us *Nice products with nice price*Low consumption standby *Newest exclusive design *Strictly according to customers' requests when produce*Goods delivery in time*R&D dep.'s hard wor
Specifications 1.Portable Mini-boom 3.5mm Bass Bluetooth Speaker 2.Output power: 3W 3.Excellent sound quality 4.Suitable for notebook Model:JXD-X16Features: Bluetooth speakers,Power on/off control
Specifications Smallest long distance bluetooth speaker 1.Aluminum-alloy scroll style cover 2.up to 8 devices can be stored 3.Bluetooth V2.1 Hot Products: Smallest long distance bluetooth speaker Key features and functions: 1.Smart and pocket Bluetooth speaker with built-in 550mAh Li-ion battery and extendable case.2.Bluetooth synchronous broadcasting and handsfree conversation function. 3.Bluetooth V2.1+EDR,class II,up to 10 meters 4.Support A2DP,AVRCP,headset,handfree profiles. 5.Support multiple pair (up to 8 devices),connect with the last used device automatically when power on. 6.D45mm larger driver offers 3W power and precise highs for superb sound.7.Vacuum-bass system.  
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 -- Life like sound -- Always ready to go Portable wireless bluetooth speaker Speaker type:Portable speakerAdjust method:touch sensitive buttonFunctions:bluetooth audio input, bluetooth handsfree, Mp3, LINE IN, SD cardPower supply:DC5V(USB), Built-in lithium battery 420mAhRated power:2.2W S/N: >80dBS/N: <0.5%@(1KHz)Frequency respones: 90Hz-20kHz Audio connector: 3.5mmSize: Φ110x30mmPlaying time: 4 hoursWeight: 138gOther charact: match easily with ipone, ipad. Inside with microphone with clear call. If you need any further infomations, feel free to let me know.Skype: yanglin659Trade manager ID : cn1500491264
Specifications 1) Mini Gift Speaker 2) Bluetooth speaker 3) Phone speaker Play with MP3,MP4,ipod,mobile, phone,laptop,etc. Product Model: MD-0252B We can deliver the goods within 2 days if the quantity is within 100pcs. 1) Mini Gift Speaker2) Bluetooth speaker Feature :1)Material: Metal2)Power output: 3 W3)SNR ≥96dB4)built-in rechargeable battery with USB charger cable.5)Play with Mobile, PC, MP3, MP4, Ipod and other audio devices6)Microphone and hands-free calling7) can adjust the volume by turn the black circle Packing: Gift box Product size: 6*6*5.3cm Qty/Ctn: 50pcs Ctn meas.:36.5*23.8*31.5cm Speaker weight: 200g REMARKS:1.Two colors for choosing .2.Promotional gift using in shopping people&student3.Customized Logo design and size available Remarks:CE CertificationROHS Compliance
Brand Name: SLS Model Number: SLS-BSK23 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,MP3, Extenal Audio Devices Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Colors:: Sliver /Black/Red/Gun metal Product size:: 60 (L) x 60(W) x 64.2(T) mm Battery:: Rechargeable 400mAh Li-Polymer Talking time:: 12 hours Standby:: 400 hours Music play:: 3 hours Charging time:: 2 hours Product weight:: 150 grams Bluetooth version:: 3.0 Support:: HSP V1.2, HFP V1.5, A2DP V1.2 Packaging & Delivery Packaging Detail: General box or customerized package is available Delivery Detail: 0~30days Specifications bluetooth speaker 1.Bluetooth 3.0 2.Music play:3hrs,talkin:12hrs,standby:400hrs 3.W/Mini 5pin USB 4. Paypal acpt bluetooth speaker 1.Bluetooth 3.0 2.Music play:3hrs,talkin:4hrs,standby:300hrs 3.W/Mini 5pin USB 4. Paypal acpt 5. Elegant design in Aluminium Specifications: 1. Bluetooth Specification v3.0 syete
Brand Name: Treetop Model Number: BS200 Type: Active Use: Portable Audio Player Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) colors: red black, silver black, white blue Packaging & Delivery Packaging Detail: NW/GW: 6.4/7.2KGS/CTN, 20PCS/CTN, ITEM SIZE :22.5*13*4.5CM, CTN SIZE:50*28*24.5CM, 0.03CBM/CTN Delivery Detail: 20-25days after payment received Specifications Hot sell bluetooth speaker 1,Portable,mini size. 2,Rechargeable. 3,Volume controlled by bluetooth 4, Cool package, Hot sell bluetooth speaker , BS200 is a new product, which is very popular and estimated to be sold well in the furture market, specially for the bluetooth speaker area. Specifications: Rated power: 1.7w*2, THD <1%Frequency response: 100HZ-20KHZ S/N > 70DBSpeaker: 40mm, 1.7w/4 Ω *2Suppor profile: A2DPEffective Range: 10MRechargeable batteries: 500maDimension: 165L*70W*42H mmWeigth:185g
Brand Name: Victor Digital Model Number: Bluetooth Speaker Channels: 1 Place of Origin: Guangdong China (Mainland) Color: Lots color available Compatible with: all mobile phone and laptop Use: Portable Audio Player,Mobile Phone,Computer and laptoe Special Feature: Wireless,Portable,Mini Material: Plastic+Silicone Frequency Response Range: 100HZ-75HZ Power Supply: Li-polymer battery Operation Range: Up to 15 Meters Loudspeaker Output: 3W RMS Type: Home Amplifier,Stock Packaging & Delivery Packaging Detail: Blister box/ Color box/ Plastic Bag Delivery Detail: within in 1~3 days Specifications Bluetooth Speaker 1.Mini protable bluetooth speaker 2.Cheap price with high quality 3.Quick delivery Products Name: Bluetooth Speaker New design fashion big sound portable bluetooth speaker suck bluetooth speaker 1.It can suck on glass/mobile phones/blackboard/PC etc. 2.CSR Bluetooth V3.0 3.Loudspeaker output : 3W RMS 4.Support hands-free phone call 5.Ope
Brand Name: OEM/ODM Model Number: X6 Type: Passive Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Bluetooth: 2.0 Packaging & Delivery Packaging Detail: Nice retail package Delivery Detail: Within 15days Specifications 1. BQB certificated 2. Colorful for selection 3.Wireless bluetooth speaker Output Power3wSignal-to -Nosie>75%Frequency Response60--20khzImpedance3ohmEffective distance10mDimension of the productL73*W73*H78.5mmWeight of the product210g Payment Terms : Trade Terms: FOB Shenzhen Payment Terms : T/T , Western Union and L/C are welcome Warranty One year limited warranty More concerned for our Items , pls do not hesitate toinquiry now!More information , pls visit our website:www.szonesky.cn
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: dcr Model Number: PI-7 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage Special Feature: Portable Place of Origin: Guangdong China (Mainland) color: red,black and white main feature: Cool design bluetooth speaker for mobile phone and computer Packaging & Delivery Packaging Detail: Mini portable bluetooth speaker with clear, full-range sound PE bag packing or according to customer's requirment Delivery Detail: within 2 days after the confirmation of your payment Specifications Mini portable bluetooth speaker with clear, full-range sound Speaker system with signature sound Mini portable bluetooth speaker High performance speaker with a sleek modern design. Precision engineered with the most advanced speaker technologies and materials to reveal the full sound of your digital music. All metal housings tuned for accurate music reproduction and amazing bass. Specification Type Bluetoo
Specifications 1:Vibe Monster palm speaker 2:Fast delivery 3:Competitive price 4:One year warranty 5.Bluetooth speaker. Vibe Monster palm mini bluetooth speaker for phone 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, 400mA, 3WInput 5.0VSpeaker Size(Φ) 40mm Battery 400mA rechargeable battery Charge Time DC5V-2.5hrs;USB-4hrs Signal and noise ratio ≥80dBVolume control yesQuality bes
Specifications 1.SNR: more than 80db 2.Powered by li-ion battery/ USB cable 3.CE/ FCC/ RoHS 4.OEM/ ODM 5.1 year global warranty High quality mobile phone hand-free mini bluetooth speaker (BS05) * Compact and portable design, easy to carry * Hands-free calls make sure a saf
Brand Name: Mstar Model Number: MT-6809 Type: Passive Use: Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: gift box,standard export packing Delivery Detail: 20-25 days after payment confirmed Specifications Bluetooth Speaker with LED disco color light Bluetooth Speaker with LED disco color light Picture: SPECIFICATION: 1.Bluetooth Speaker 2.LED warm and white light
Model Number: GF-AY-88 Use: Mobile Phone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Blister packing Delivery Detail: 1-2days Specifications 1.Bluetooth Speaker AY-88 2.Bluetooth Speaker with FM and Card Reader function. 3.Can read SD/MMC Card, U disk 1.Bluetooth Speaker AY-882.Bluetooth Speaker with FM and Card Reader function.3.Can read SD/MMC Card, U disk; MP3/4 Player and mobile phone music4.4w, 80-18k (Hz)5.Mini Bluetooth speaker
Specifications professional silicon wireless bluetooth speaker 1.Speaker driver:40mm 2.Battery;400maH 3.Material:Silicon + plastic professional silicon wireless bluetooth speaker selling point1.Mini pop up, portable, unique design, small case give big and rich volume; 2.Stereo sound effect, wonderful bass, sound beyond size; 3.Play time 2-6 hours 4.Music will be continued automatically after calls. So calls never be missed. 5.It can be adsorbed on smooth plane,for exmaple: glass of car, smooth tabletop. 6. Made of high quality silicone, calls on it While you are enjoying music from mobile, your music
Brand Name: TAATN Model Number: 5281-E-BT Type: Active Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Shell: support Color: White,Bk,Red,Etc Bluetooth: support Audio jack: 3.5mm Music playing time: 3-5 hours Packaging & Delivery Packaging Detail: White box,Color box,Blister card Etc.Customer can request customized Delivery Detail: 2-3 weeks Specifications 1.Mini portable+Aux in&out 2.Listen to music wirelessly anywhere anytime 3.Brand new wireless outdoor soundbar for iPhone,iPad TAATN 5281-E-BT Details of Description RMS4Ω 3WFrequency Response100Hz - 16KHzPower supply Li-ion battery 320MAHAirtimeMore than 3-5 hoursCharge Time2hoursCarton Size:(L*W*H)57.5x50.5x27cmPCs/CTN100PCSNet Weight8.5kgsGross Weight10kgs * Compatible with any device using 3.5mm audio jack (cell phone, laptop, ipod, tablet etc..)* LED power indicator for power on an
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: SOSTAR Model Number: sxd-SY-03 Type: Active Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Name: Speaker item: mini speaker feature: portable mini speaker product: Usb mini speaker Color: Red ,Black,Silvery ,Green ,Grey Logo: Customized Warranty: 1 year Certificates: CE,RoHs ,Fcc... Packaging & Delivery Packaging Detail: Dimension:55mm(D)*45mm(H) Red gift box,white paper box,Free pp bag subwoofer Delivery Detail: 2-3 days for sample ,5-7 days for mass production Specifications Bluetooth speaker with handsfree function 1.With USB charger 2.Portable and customized 3.Bluetooth and hands free 4.MOQ100pc Bluetooth speaker with handsfree function •Name: Speaker • product :usb mini speaker • item :mini speaker • Dimension:55mm(D)*45mm(H)• Net Weight:63g• AMP Freq Range:180Hz-20kH
Specifications 1.high quality competitive price 2.voice big enough good stereophonic 3.operate easily 4.original chip 5.bluetooth speaker china made desktop gadgets hot sale small can mini bluetooth speaker supplier for promotional yiwu novelty gift xiamen factory Key Specifications/Special Features:Functions:Can play music by link to mobile phone, MP3/MP4 players, PC, iPod and other audio devices, if your devices have 3.5mm socketSuitable for promotions, gifts and store for sellingPocket size to carry anywheresupport micro sd card &usb flash drivewith a good FM radioPower source:DC 5V adapterUSB 5V cable (connect with) from computerSpecifications:Power supplier: DC 5VOutput power: 5W (1kHz, THD 10%)Frequency: 200Hz to 20kHzSignal and noise ratio: ≥65dBImpedance: 4ΩOutput: 3.7 to 4.2V, +0.05VIn
Brand Name: Yunkoo Model Number: YK-501 Type: Active,active Use: Home Theatre,Portable Audio Player,Karaoke Player,Computer,Stage,Outdoor/indoor Channels: 2 (2.0) Special Feature: Portable,portable Place of Origin: Guangdong China (Mainland) funtion: USB/SD/FM/bluetooth speaker unit: 1"x2+6"x1 frequency response: 20-20kHz impendance: 4-8ohms output power: 30Wx2 material: wooden 40HQ: 1200sets Packaging & Delivery Packaging Detail: standard paper carton for a set per carton 40HQ:1200sets Delivery Detail: 20 days after get 30% deposit Specifications 1.Speaker unit :30Wx2 2.Frequency response:20-20kHz 3.Can be 6" 8"10"12"15" 4.Manufacture supply, OEM 5.CCC,CE 2.0 CH portable laptop mini speaker with function USB/SD/FM 1.speaker unit :30Wx22.Material:wooden3.Impendance:4-8ohms4.Frequency response:20Hz-20kHz5.Speaker unit:1"x2+6"x16.Any color is ok 7.Can be 6"8"10"12"15"8.portable and good sound The fol
Specifications Mini Portable Bluetooth Speakers 1. High Glossy Surface 2. Easy access volume control 3. Excellent Sound Performance New Mini Bluetooth V2.1 wireless bluetooth speaker Portable Bluetooth Speaker for phone laptop pc ----------Features---------------------------------------------------------- Bluetooth speaker 1. Mini Portable Bluetooth Speakers High Glossy Surface 2. Easy access volume control 3. Excellent Sound Performance 4. Plug and Play / No Driver Installation Required 5. Magnetically Shielded to prevent distortion from screens 6. Compatible with all Brand Name and Model PCs and Laptops ----------Specification----------------------------------------------------- 1. Bluetooth Version: CSRV2.1 Bluetooth chip backward compatible with V2.0,V2.1 and V1.1 standards,support A2DP,AVRCP, hands-free protocol  
Specifications 1.Bluetooth speaker: bluetooth version V2.1+EDR 2.Model: BS1001 3.Compatible: Universal 4.Chanel:2.1 5.color:black-silver High-quality Bluetooth mini speaker wireless 1.Bluetooth speaker version : V2.1+EDR.2.Support profiles: HFP and HSP.3.Operation range: 15 meters.4.Talk time: About 5h.5.Standby time: About 100h.6.Charge time: 4h.7.Weight: 80g.8.Size:φ60.0*t55.0mm.9.Battery type: Rechargeable lithium battery.10.Functions: Answer/End/Reject/Transfer a call, Call waiting, Call redial, Voice dial, Mute.Convenient Micro SD card slot for direct play. Package: Our Factory:
Specifications 3 inch 8 ohm bluetooth speaker high performance neodymium midbass speaker frequency range 135HZ-20KHZ RMS10W YD7827 3 inch 8 ohm mini bluetooth speaker NO. ItemSpecification1voice coil impedance6.8Ω2voice coil size / material20.4mm / ASV3cone / edgepaper cone / rubber edge4resonant freq (FO)135 Hz ± 20%Hz5output S.P.L.83±3dB mean value (1M/1W )6freq response135 Hz ~10K Hz7rated power input10 watts8max power input20 watts9neodymiumΦ19.5×4mm10weight79.2 g / 2.8 oz
Specifications Portable Wireless Bluetooth Speaker 1.Support SD TF/USB/FM radio 2.Mobile power supply 3..Alarm Clock 4.15M working range 2012 Portable Wireless Bluetooth Speaker Specifications: 1) Support micro sd card (TF card ), USB drives. FM radio 87.5~108MHz, can save 50chanels2) Mini Aluminium Casing speaker Series 3) It can play music from mobile phone, TV, laptop and all kinds of audio equipment4) It has 5pin usb slot, and all kinds of Charging adapters5) 2pcs speakers 3W/4+ 2pcs Diaphragms, so the sound is super nice6) It can control by bluetooth, and play music directly7) Bluetooth Remote Control 15M Range8) It can supply power for all kinds of audio equipment9) Two kinds gift packing boxes can be chose10) Speaker Size: 110*46*47mm11) colour available : white,silver, black12) Battery: lithium battery and rechargeable. External battery 1000mAH13) Playing time: 4-9hours14) Support Line in and Line out DC5V 0~1000mANew design Mp3 b