Original Xiaomi Redmi Airdots S Bluetooth Wireless Earphones Noise Reduction TWS Earbuds With Mic Earbuds AI Control Mi HeadsetWireless connection Bluetooth: 5.0Bluetooth protocol: HFP/A2DP/ HSP/AVRCPCommunication distance: 10 meters (accessible environment)Dual headphones continuously listen to songs for about 4 hoursHeadphone standby time: about 150 hoursSingle earphone battery capacity: 40mAhCharging box battery capacity: 300mAhHeadphone charging time: about 1.5 hoursCharging box charging time: about 2 hoursSingle earphone net weight: about 4.1gTotal net weight with charging box: approx. 35.4gCharging box size: 62 × 40 × 27.2mmHeadphone size: 26.65 × 16.4 × 21.6mmMain Features: True wireless bluetooth headset , Bluetooth 5.0, Automatically connected  A New Generation of Bluetooth 5.0, faster and more stable Redmi AirDots s is equipped with the latest Bluetooth 5.0 chip, the data transfer rate is up to 2 times compared with the previous generation, the connection is faster and more s