This BT 5.0 Bone Conduction Headset leaves ears open to ambient sound while delivers surround sound effect. And you can press specific buttons to quickly switch among songs, answer or hang up phone calls, wake up voice assistant, adjust volume and play or pause music. Feature: Open-ear Design Bone conduction technology leaves ears open to ambient sounds while delivers premium audio. BT 5.0 It offers stable connection and high transmitting speed with operating distance up to 10m. Flexible Band It adopts memory titanium alloy, enabling you to adjust the band to any angle. Long Working Time With built-in 180mAh battery, you can use it for a long time. IPX6 Waterproof Enjoy music while doing sports without worry about the sweat damaging your headset. 3 Controlling Button Press specific buttons to turn on/off headset, answer/hang up phone calls, play/pause music, wake up voice assistant, change among songs and adjust volume. Specification: BT version: V5.0 Operating distance: ≤10m Supporting protocol: HFP/A2DP/HSP/AVRCP/GAVDP/AVDTP Material of band: Memory titanium alloy Battery capacity: 180mAh Charging interface: Micro USB Color: Black, Green, Yellow (Optional) Item weight: 29g/ 1.02oz Packing list: 1 * Bone Conduction Headset 1 * Charging Cable 1 * User Manual