Driver Diameter: 52 mm
Impedance: 3.5 Ohms
Power Supply: Li-ion Battery 3.7V 300 mAh
Playtime: 4 Hours
Charging Time: 2-3 Hours
Bluetooth Range: 32 Feet
Bluetooth Version: 5.3
FM Radio Mode
TWS Mode
USB Type-C Charging Cable Included
USB Type-C Charging Cable rating 5V/500mA Max.