B1 Bone Conduction Bluetooth Headset

• Bluetooth specification: Bluetooth V5.3
• Supported profile: HSP HFP A2DP AVRCP
• Operation range: UP to 10 meters
• Standby time: About 130 hours
• Working time: About 8 hours（70% volume）
• Charge time: About 2hours
• Operating temperature: -10-55℃
• Overall dimensions : 134.7*103.4*10.2mm
• Net weight:  About 15g