Original Lenovo QT81 TWS CVC8.0 Noise Reduction Touch Bluetooth Earphone with Charging Box & Digital Display, Support Power Bank(Black)

1. Bluetooth 5.0 chip, faster and more stable connection, no delay 2. CVC8.0 noise reduction, professional tuning, stereo effect 3. Fingerprint touch control, simple operation, support binaural high-definition call, music and other functions 4. Support master-slave switching 5. Use with the charging box, long-lasting battery life; the charging box has the function of a power bank 6. The middle LED digital display shows the power of the charging box, and the left and right LED digital displays respectively display the battery power of the left and right earphones. 7. IPX4 waterproof Product parameters: 1. Bluetooth version: 5.0 2. Wireless propagation distance: about 10m 3. Drive unit size: 10mm 4. Headphone battery capacity: 40mAh 5. Charging box battery capacity: 1200mAh 6. Music time: about 4 hours 7. Standby time: about 120 hours 8. Charging time: about 1 hour