Notification<br/><br/>How to factory reset Bluetooth headset?<br/><br/>Turn both headsets off. Press and hold both left and right headset together for approximately 20 seconds and without letting go.<br/><br/>1, (R/L Short Press): Play/Pause/Answer/Hang up.<br/><br/>2, (R/L Long Press 2 seconds): In the boot state/wake up siri. In the off state/power on.<br/><br/>3,(R/L Long press 4 seconds): Power off.<br/><br/>4,(R: Double click/Volume+), (R: Three click/Previous song), (L: Double click/Volume-)(L: Three click/Next song).<br/><br/>Specification<br/><br/>Bluetooth Version: Bluetooth 5.0<br/><br/>Operation Range: Up to 100 feet/30 Meters(Free Space)<br/><br/>Resistance: 32Ω<br/><br/>Frequency Response: 20Hz-20kHz<br/><br/>Sensitivity: 120+-5dB<br/><br/>Profile Support: HSP/ HFP/A2DP/AVRCP<br/><br/>Weight: 5g x 2 +46g<br/><br/>Battery Capacity: 60mAh*2 + 750 mAh<br/><br/>Talking/ Playing Time: 6 Hours<br/><br/>Charging Time: About 1 Hours<br/><br/>Charging for Earbuds: 4 Times<br/><br/>Packaging:<br/><br/>2 x Truly Wireless Earbuds. 1 Pairs ear-hooks. 1 x Gift card. 1 x Micro USB Charging Cable. 1 x User Manual. 1 x Exquisite packaging.<br/><br/>If you have any questions, please contact us in time, we will answer your inquiry within 24 hours