DR03 New Head mounted Bluetooth Earphones Music Bluetooth Head mounted Bluetooth Earphones

Function:1. USB charging: Type-C2. Signal to noise ratio: 88db3. Bluetooth link distance: 10 meters4. Output power: 35mW5. Bluetooth frequency: 2.401-2.480GHz6. Charging time: 4 hours7. Usage time: 12-15 hours8. Standby time:...