BlueWow Q33 Gaming Earbuds

Bluetooth version: Bluetooth V5.0 Battery specification: headset battery 3.7V/40mAh 501012 Charging box battery 3.7V/602030 300mA Working time: about 3.5 hours (this time refers to the time for talking or playing music when the battery is fully charged.) Standby time: about 50 hours (this time refers to the maximum standby time when the battery is fully charged.) Charging time: about 1 hour in the charging compartment; 1 hour in the headset