Lenovo XT82 Bluetooth 5.1 Mirror Display Gaming Wireless Bluetooth Earphone(Black)

1. Bluetooth version: 5.12. Communication distance: about 10 meters3. Speaker size: 13mm4. Speaker power: 5mw*25. Sensitivity: -42db+3db6. Frequency range: 20Hz-20KHz7. Music time: 4 hours8. Battery capacity: earphone 30mah, charging compartment 300mah9. LED display, clear at a glance10. With life waterproof function11. Ergonomic design, comfortable to wear12. Intelligent noise reduction brings a clear call experience13. Dual independent chips, dual channel transmission