Green Lion Queen's True wireless Earbuds -Multifunction Touch -Hands-Free Calls -Chipset: JL6983 -Bluetooth Version: 5.3 -Bluetooth Portocol:HFP,HSP,A2DP,TWS,AVRCP -Frequency: 20hz-20Khz -Bluetooth Range: Up To 15m / 36 ft -Playtime: 5 Hours -With Charging Case: Up To 16 Hours -Earbuds Battery: 35mAh -Charging Case Battery: 300mAh -Waterproof: IPX4