Appearance size: 250*44*12 mm
Bluetooth BLE: 4.0
Heart rate module: SC7R30, 128KB+1M, red light + green light module Support
Display Type: 1.3-inch colorful display
Touch screen: Single touch control
Resolution: 240*240 pixels
Battery Type: Polymer lithium battery
Battery capacity: 180 mAh
Charging time is about 60 minutes
Working time: 5-7 days
Standby time is about 20 days
Working temperature: -20°C ~ 50°C
Support mobile phone system: Android 4.4 and above, IOS8.4 and above 8.4
Color: Black (As given picture)
Note: Product delivery duration may vary due to product availability in stock.
Disclaimer: The actual color of the physical product may slightly vary due to the deviation of lighting sources, photography or your device display settings.