Main Features:
Bluetooth 2.1 bone conduction technology changes your life.
Practical design for outdoor sports， such as hiking， climbing， running and driving.
Smart headset， hands-free with Mic and button to answer and hanp up the call.
Safe to use， you won't miss call at the same time hear the outside sound.
An item for easily switch between calls and music.
High microphone sensitivity and tone quality.
Frequency response range : 20Hz - 20KHz
Bluetooth transmission distance: 10 m
Standby time: 6 - 10 days
Playback time: 6 hours
Charging time: 2 hours