Feature:
Stream audio to Bluetooth-enable all 3.5mm media devices (enable Bluetooth receiving: speakers, headphones and more; enable Bluetooth transmission for: MP3, CD / DVD players, e-readers, TVs and more)
Bluetooth 4.1 with Advanced Audio Distribution Profile for high quality audio sound
Built in battery for portable use, or fast-charging it through the USB cable
Portable size. One-button switch to shift between transmitter(TX) and receiver(RX) mode
Specifications:
Bluetooth version:V4.1
Transmission Power:0 DBM
Transmission distance: ≤10m
Music time:about 12h
Charging time:about 2h
Standby time:about 400h
Battery capacity:240 mAh
Audio interface:3.5mm
Operating voltage: 3.4-4.2V
Charging interface:Micro USB
Audio plug temperature: -20-60�
Frequency range:2.402-2.480GHZ