Specifications:
Bluetooth Version : V5.1 Transmission distance : 10 meters Frequency Response : 20Hz-20KHz Rated Power : 9mW Charging Box Battery Capacity : 200mAh Earbud Battery Capacity : 25mAh Charging Time of Charing Case : 3 times Input : DC5V=450mA Play Time : about 7H Standby Time : about 850H Charging Time : about 1H Net Weight : 56g
