Cheap PC TV Bluetooth speaker speaker factory in Shenzhen where

Bluetooth version: V2.1 + EDR portable design; sample 50 yuan single dimension: ф60 * H68mm Wireless Frequency: 2.4GHz wireless Bluetooth audio transmission 500-1K 43 元 Single Weight: 130G rated power: 3W variety of classic color choices 1000-2K 41 yuan charge voltage: DC 5V phone handsfree 2K 39 yuan more than the operating voltage: DC 3.7V computer speaker Battery: 400ma radio speaker parameters: 4 ohms 3W ф40 Music playback time: 5H wireless talk time: 10H Distortion: ≤0.1 % SNR: ≥90dB Impedance: 4Ω Transmission range: 10-20 meters Transmission power: class2 color red and yellow black and white sucker professional speakers, portable audio card, call songs Bluetooth Speaker R & D, production and export factory Contact: Mountain negotiations QQ: 2300887002 Contact phone: 13189787448 E-mail: 2300887002@qq.com MSN: chendashan@live.cn Address: Bantian, Longgang District, Science and Technology Park, Building A Professional sucker, portable, card, call, listen to R & D, production and export of Bluetooth speaker factory Contact: the mountains Discuss QQ: 2300887002 Mobile phone: 13189787448 contact E-mail: 2300887002@qq.com MSN: chendashan@live.cn mobile power + Bluetooth Speaker private mold new, ultra-durable, continuous play more than 18 hours, travel essential mini Bluetooth speaker. [space] http://user.qzone.qq.com/2300887002/4 product Atlas Atlas may need detailed product QQ transmission.