Xiaomi Smart Band 9 Pro AMOLED Wristband activity tracker 4.42 cm (1.74) Black

Multisport mode: Yes | Blood oxygen sensor: Yes | Band material: Thermoplastic polyurethane (TPU) | Quality of sleep: Yes | Water resistance: 5 ATM | Minimum strap length: 13.5 cm | Gyroscope: Yes | Heart rate monitor: Yes | Maximum strap length: 20.5 cm | Colour display: Yes | Product colour: Black | Charging time: 1.25 h | Touchscreen: Yes | Battery capacity: 350 mAh | Form factor: Rectangle | Colour name: Obsidian Black | GLONASS: Yes | Bluetooth profiles: GNSS | Device type: Wristband activity tracker | GPS (satellite): Yes | Waterproof: Yes | Waterproof up to: 50 m | Position location: Yes | Display type: AMOLED | Bluetooth: Yes | Display diagonal: 4.42 cm (1.74") | Band colour: Black | Accelerometer: Yes | Bluetooth version: 5.4 | Display resolution: 336 x 480 pixels | Housing material: Aluminium | Display brightness: 1200 cd/m²