1. Upgraded 2-in-1 BT 4.1 transmitter enable all 3.5mm media devices ,enable BT receiving: speakers, headphones and more; enable BT transmission for: MP3, CD / DVD players, e-readers, smartphone, TVs and more
2. Elimination of built-in AEC echo and ANC elimination circuit noise, gorgeous stereo, sound more pure, built on an enhanced signal transmitting circuit, quick connection more stable sound
3.Compatible dual lossless audio format, support OUT AUX, Earphone, automatic memory connection function, the operation is more simple, more convenient connection
4.Built in battery, long battery life, BT receiver 4.1 BT Transmitter 2.1 , low power consumption, intelligent compatible, Android, IOS system mobile phone and PAD, and all BT audio equipment
5. Support 1 mobile phones, the product is simple, no need to download any driver and APP. Operation range: 33ft /10M

Specification:

Support agreement: A2DP, AVRCP, HFP, SPP HID
Receive the working current: 43 ma or less
Launch working current: 60 ma or less
Standby current: ﹤ 18 ma
Built-in battery: polymer 600 mah
Charging current: 300 ma
Battery life: st13 8 h
Bluetooth distance: st13 10 m (open)
Charging ways: Micro USB 5 v / 0.5 A
Output connection mode: 3.5 MM stereo interface
Input connection mode: 3.5 MM stereo interface
Compatibility: android, IOS mobile phone and PAD, and all the bluetooth audio equipment, audio equipment with audio input interface