ETE-15 Waterproof Bluetooth 5.0 Binaural Touch Control TWS Wireless Earphones (Black)

1. Bluetooth version: 5.0 2. Communication distance: 10 meters 3. Earphone battery: 40mAh 4. Charging case battery: 350mAh 5. Talking time: 4 hours 6. Earphone charging time: 30 minutes 7. Charging time of charging case: 60 minutes 8. Speaker impedance: 32 ohms 9. Charging interface: Type-C 10. Waterproof grade: IPX5 11. Earphone size: L27xW15xH21.7mm 12. Charging case size: L62.4xW40.1xH27.6mm 13. Weight: single earphone 3.5g, including charging case 31g