Smart pairing technology auto boot up when leave the charging box. In a matter of seconds, you are in your euphonic music world. Breathing lamp design, make you different! Noise Reduction Microphone enables your calls to be clear in various situations. 1. You can share the same music/video with your friend or enjoy stereo sound yourself when use two headsets simultaneously; 2.Single one can connect with two Bluetooth devices like your Phone or Android phone, Pad, tablet or laptop. The Wireless Range up to 50 Ft, New Anti-jamming technology allows you to enjoy music more fluently! Built in UPGRADING Lithium Polymer Battery, enjoy about up to 4 Hours of Premium Quality Talk/Play Time. 30 Min Quick Filling make earphone power full again! Total endurance capacity of up to 30 hours.