Xiaomi AirDots Redmi, Men, Black, TWS.

Specifications: Brand: Xiaomi. Product Model: Redmi AirDots. Wireless connection: Bluetooth 5.0. Bluetooth protocol: HFP/ A2DP/ HSP/ AVRCP. Communication Distance: 10 metres (accessible environment). Dual earphones continuous listening time: about 4 hours. Headphone standby time: approximately 150 hours. Single headphone battery capacity: 40 mAh. Charging case battery capacity: 300 mAh. Headphone Charging Time: about 1.5 hours. Charging time of the charging case: about 2 hours. Net weight of a single headphone: about 4.1 g. Total net weight with charging box: approximately 35.4 g. Charging case size: 62 × 40 × 27.2 mm. Headphone Size: 26.65 × 16.4 × 21.6 mm. Control Button: Yes. Volume control: No. Active noise cancellation: No. Waterproof: Yes. Sensitivity: 120 5 db. Range of frequency response: 20-2000 Hz. First connection for dual headphones: 1. Take the two headphones from the box and they can be turned on automatically. 2. Open the mobile phone with Bluetooth and pair Redmi airdots_r; the left headphones do not need to be paired separately, they will automatically connect. How to reset the headphones: 1. Press and hold the multifunction button for 15 seconds until the red and white lights pair PAD and On for the second time alternately 3 times and turn off, the device restarts successfully. 2. Ignore or cancel the pairing of Redmi airdots_r in the Bluetooth settings of the phone, remove the connection log, the device successfully restarts. Package includes: 1 x Redmi AirDots 1 x Charger Box 3 x Ear Plugs (L/m/s) 1 x User Manual (English language not guaranteed).

Bluetooth 5.0 technology: Redmi AirDots is equipped with Bluetooth 5.0 chips, the data transfer rate is up to 2 times faster than the previous generation, the connection is faster and stable; smoother to listen to songs and play games.
True wireless experience: Redmi Airdots is a true wireless headset, which means the connections between the left and right headphones disappears, but the experience is easier; automatic connection in seconds, just place the headphones and start your activity immediately.
Extra long battery life. 4 hours battery life on a single charge, 12 hours battery life in the charging case; 1 x headphones with 40mAh battery, charging box with 300mAh battery; the carrying case is also a charging case; you can also charge the headset twice.
Noise reduction and light weight: Redmi Airdots is equipped with a 7.2 mm dynamic unit and intelligent DSP noise reduction system for high fidelity sound quality and clear vocation; 4.1 g lightweight design when running, hitting and listening to music on the road
Multi-function physical button: Redmi AirDots is equipped with a multifunction physical button to reduce fake touches and voice control, double clip to activate the phone’s voice assistant, it is very convenient to use (mobile phone is required to open and to use the voice assistant).