Earphone Battery Capacity：35Mah with protection
Stock Battery Capacity：250Mah
Using Time：calling 5H,Music 5-6H
Bluetooth Distance：10M
Endurance Time： 15H
ChargingTime：1.5H
Bluetooth 5.3 chip, HIFI sound quality, intelligent control, touch operation, simple and convenient, support Siri call,Wireless Agreement: A2DP/AVRCP/HFP/HSP,Master-slave switching -instant flash connection.
