Binaural Call Smart Bluetooth Glasses Earphone(A14 Black)

1. Charging time: 2-3 hours2. Channel: dual speaker stereo3. Bluetooth version: 5.04. Charging voltage/current: 5V/60mA5. Material: Frame: Nylon, Lens: UV6. Music time: 3-5 hours7. Battery capacity: 140mah8. Talk time: 4-5 hours9. Transmission distance: 10 meters10. Power: 2x1w11. Size: 155x152x50mm12. Packing list: glasses, charging cable, glasses bag (can be used as glasses cloth), manual,Storage bag