Screen size: 1.28" Camera: None Product weight: 53g Additional functions: Step counting, smart reminder, remote selfie control, health monitoring, sleep analysis, Bluetooth calls, Bluetooth music playback, 8 sports modes, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring Communication type: SIM card not enabled Wireless distance: 5m or less Target audience: Men, professionals, general public, stylish people, adults, seniors Battery capacity: 240mAh Water resistance: Splash resistant Charging method: Magnetic cable Strap material: TPU Screen type: IPS Compatible system: Android Compatible platform: Android Functions: Step counting, heart rate monitoring, blood pressure measurement, Bluetooth calls, smart reminder, remote selfie control, sleep monitoring, blood oxygen detection, motion tracking Wearing method: Wrist strap Strap style: Milano Color: Brown leather, silver steel, black steel, silver steel with three beads, black steel with three beads, black glue, black leather, silver glue Communication function: Compatible Screen resolution: 240*240 Interface: USB 2.0 Strap size: 28 mm or less After-sales service: Store warranty Menu languages: Chinese, English, Japanese, Polish, German, Russian, French, Spanish, Italian, Portuguese Color: Silver Screen material: IPS color screen Internal memory: 64 MB Operation mode: Touch button Product size: Diameter 4.6 cm Thickness 1.17 cm Battery life: Less than 7 days Compatible platforms: Android