SARDiNE F8 TWS Bluetooth V5.0 Wireless Stereo Earphones with Charging Box

1. Support stereo bluetooth music playing and calling. 2. Support automatically matching function between two headphones without manual matching. 3. Support Bluetooth low power consumption -8mA 4. Headphone battery: 40mA 5. Charge box battery: 400mA 6. Headphone listening time: 6 hours; 7. Bluetooth connection distance: 10-15 meters 8. Material: ABS + aluminum alloy shell 9. Bluetooth Version: 5.0 10. Horn: 14mm / 32 Ohm 11. Response frequency: 25Hz-18kHz 12. Sensitivity: 110 dB +/- 3 dB 13. SNR: >=90 dB 14. Charging input: DC 5V/1A 15. Charging time(charging box): 1.5 hours 16. Charging time(earphones): 1 hour 17. Working time: 5-6 hoursPackage Include- 1 x Bluetooth earphones - 1 x Instructions - 1 x Charging box - 1 x USB cable