Xiaomi Redmi Airdots. Product type: Headset, Wearing style: In-ear, Product colour: Black. Connectivity technology: Wireless. Ear coupling: Intraaural. Battery capacity: 40 mAh, Battery recharge time: 1.5 h, Battery type: Built-in battery. Width: 26.6 mm, Depth: 16.4 mm, Height: 21.6 mm