Original Xiaomi headphones for sale to the highest bidder. ✨ The main features of this version: Powerful noise cancellation: reaches up to 46 dB, which is excellent for isolating street sounds or air conditioning. Long battery life: lasts up to 10 hours for each headphone, and up to 40 hours with the charging case (without noise cancellation). Fast charging: placing the headphones in the case for 5 minutes gives you about 2 hours of listening.