1. Bluetooth 4.2
2. Support APTX
3. Audio port: 3.5mm, working time: 12 Hours
4. Frequency range: 2.402GHz-2.480GHz
5. Bluetooth protocol:AVRCP、A2DP
6. Output:0dBFS,30mW RL=16 Ω
7. SNR:>90dB
8. transfer distance:10M
9. Total harmonic distortion(THD):