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

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