Smartwatch BLOW X21

Quality of sleep: Yes
Geomagnetic sensor: Yes
Ambient light sensor: Yes
Heart rate sensor: Yes
Accelerometer: Yes
Gyroscope: Yes
Distance travelled: Yes
Blood oxygen sensor: Yes
Wrist temperature: Yes
Atmospheric pressure sensor: Yes
Band colour: Black, Orange
Suggested gender: Any gender
Shape: Round
Maximum strap length: 24.5 cm
Buckle material: Stainless steel
Market positioning: Smartwatch
Wrist size range: 170 - 245 mm
Minimum strap length: 16.6 cm
Water resistance: 5 ATM
Band material: Silicone
Watch case material: Stainless steel, Plastic
Watch case colour: Black
Buckle colour: Black
Battery type: Built-in battery
Fast charging time: 10 min
Battery capacity: 490 mAh
Battery life: 10 day(s)
Fast charging: Yes
Width: 44.98 mm
Depth: 44.98 mm
Weight: 59 g
Thickness: 8.9 mm
GLONASS: Yes
Galileo: Yes
BeiDou: Yes
Quasi-Zenith Satellite System (QZSS): Yes
GPS (satellite): Yes
Flash memory: 4 GB
Mobile operating systems supported: Android, iOS
Package contents: User manual, Smartwatch x 1, Charging cable
Colour display: Yes
Display type: Digital
Display resolution: 464 x 464 px
Maximum brightness: 3000 nit
Display technology: IPS
Display diagonal: 1,4"
Bluetooth version: 5.0
Bluetooth: Yes