M10 TWS Earbuds Bluetooth 5.1 3500mAh Charging Box 3D Smart Touch Control HIFI Music LED Display Wireless Earphone

2.Bluetooth specification:V5.1 3.Bluetooth Profile:A2DP, AVRCP, HFP, HSP 4.Working voltage:3.1V-4.2V 5.Charging voltage:SV-1A 6.Battery capacity of the headset: 50MAH 7.Battery capacity of the storage box:2000MAH 8. Transmission distance:>10M 9. Call time:4-5h 10.Play time:4-5h 11.Waterprof IPX7 12.Charging time of headset:1 hi 13.Charging time of the Charging box:2h 14.Support system:All Bluetooth devices and mobile phones; Products include 1 * One pair of Bluetooth headsets 1* Charging box 1* Charging cable 1 * User Manual 4 * Ear cap