1. Charging port: USB Type-C
2. Bluetooth 5.2 wireless connection, 10 meters Bluetooth distance.
3. IP54 waterproof rating, headphone battery life -- 6 hours ANC (earbuds) / 30 hours ANC off (with charging case).
4. 35dB active noise reduction, can be connected to two devices.
5. 30h long battery life, dual microphones call noise cancellation.
6. Package Contents: Redmi Lamp Head 4 x 1 Pair / Charging Box x 1 / Manual x 1 / Type C Charging Cable x 1 / Earbuds x 3 Pairs