Built-in BT 4.0, Solid voice transimission.
8000mah continuous power supply, 24hours non-stop play
Built-in 8000mah big capacity battery Continuously play above 20hours, charge for mobile more than 12hours
More than 168 hours, above one week lighting protection
Each second is bright
One button pick up the incoming call, hands free to make a phone call
More dedicate while riding, external high quality microphone.
Intellective denoise, clear telephone call ensures a smooth conversation
There is a tethered micro-USB cable for charging most non-Apple devices and a full-sized female USB port to connect the likes of Apple and other USB-powered devices