True wireless Bluetooth water proof

IC Solution JL6936D Bluetooth Profile HSP，HFP，HPP，A2DP，AVRCP，CVC Bluetooth Ver.No V5.0+EDR Radio carrier frequency 2402MHz-2480MHz Audio frequency response range 20Hz-20KHz Wireless Range ≥10m Power voltage 3.3～4.2V Charging Voltage 5V Charging Current 50mA Standby 0.5mA BTCall Working Current 18mA BT Music Current 20mA Standby Time 240H Talk Time ≥5H BTMusic Play Time ≥4-5H Earphone Battery Capacity 40mAh(PolymerLithiumBattery) Charging Casebattery capacity 300mah(PolymerLithiumBattery) Dual