Xiaomi Smart Band 9
Display diagonal: 4.11 cm (1.62")
Display resolution: 192 x 490 pixels
Display brightness: 1200 cd/m²
Device type: Wristband activity tracker
Form factor: Oval
Product colour: Rose
Heart rate sensor type: Optical
Battery life: 21 day(s)
Battery capacity: 233 mAh
Charging time: 1 h
Weight: 15.8 g
Width: 21.6 mm
Depth: 46.5 mm