2. Bluetooth protocol: HFP1.6, HSP1.2 AVRCP1.4, A2DP1. 2
3. Stereo audio: APTX
4. Communication distance: About 10 meters
5. Noise reduction: CVC de-noising
6. Battery: 3.7 V 75 mah lithium-ion polymer battery
7. Standby time: about 200 hours
8. Music playing time: 4 hours
9.Charging time: about 2 hours
10. Waterproof:IP65 degree
Bluetooth Earphone feature:
Good quality earphone Strong compatibility: Compatible for all computer, mobile phone and the other media player (MP3/MP4/MP5/PC/PAD) with bluetooth function
Design In-line smart remote and microphone allows you to control your music and take phone calls
Ultra light weight design, easy carry and practical use Private adjustable waterproof earhookearbud