Xiaomi Smart Band 9 Global Version [21 Days Battery Life] Fitness Tracker(Black)
Model: M2345B1Battery Type: Lithium-ion polymer battery Battery Capacity: 233 mAhInput: 5.0 V 500mA Max.Water Resistance: 5 ATMOperating Temperature: 0°C to 43°CWristband Material: TPUNet Weight: 27g (Including strap)Item Dimensions: 46.6 × 21.6 × 11 mm Adjustable Length: 135–210 mm Bluetooth Frequency: 2402–2480 MHz Maximum Output: ≤ 14 dBmWireless Connectivity: Bluetooth® 5.4