1、BT 4.1, hands free, voice dial,water proof,dsp 
2、DC5V-500mA 
3、Lithium battery 200mAh, 32h talk time 
4、10M, 6hours talk time 
5、Black, blue, red, gold, pink, white 
6、A2DP、AVRCP、H-SP、H-FP