Lenovo LP40 Bluetooth 5.0 ENC Noise Reduction Wireless Bluetooth Earphone(Black)

1. Bluetooth version: 5.02. Charging interface: Type-C3. Charging time: about 2 hours4. Listening time: about 20 hours5. Standby time: 350 hours6. Waterproof rating: IPX57. Intelligent noise reduction, bringing a clear call experience8. Ergonomic design, comfortable to wear9. Widely compatible with Bluetooth-enabled devices10. Small size and easy to carry11. Equipped with intelligent dual processing chip, the left and right earphones can be connected at the same time after the mobile phone sends out a signal