1. Bluetooth function, V5.0 EDR with A2DP,Working range: 10M. 2. Support Baidu intelligent voice control(DMA) function(Push to talk). 3. Extra Storage Compatible (TF card), Playing only. 4. Controllable Dynamic LED Lights(such as strobe,etc). 5. Record function,Recording to the phone via a recording cord. 6. Digital Echo sound effects (such as echo, reverb, applause,etc). 7. Function of 6 Variable tones. 8. Speaker output power : 10% THD: 1.5W×2. 9. Maximum sound pressure level: > 85dB 1KHz THD<1%. 10. Louder and Powerful Sound, Auto noise reduction. 11. Earphone output. 12. Recharchable Battery -3.7V 2400mAh(6 hours,50%). 13. USB cable(1m) , Recording Cable(Length70CM,One end is a 3.5mm 4-section head, and the other end is a MICRO USB male plug )、Manual、 Guildline、color card、QC cert.