Smart Watch Smat Bracelet Lightweight Touch Screen 0.66 Inch

Specification:
Color: black, blue, red (optional)
Material: PC + silica gel
Screen size: 0.66 inches
Bluetooth version: 4.0
Bluetooth distance: 10 meters
Battery: built-in 105mAh lithium battery (included)
Charging method: USB charging
Charging voltage: DC 5V
Charging time: 1-2 hours
Standby time: 15 days
Waterproof rating: IP68
Operating temperature: -20--50 ℃
Certification: CE / ROHS
Compatible with: Android 4.4 above, iOS8.0 and above, Bluetooth 4.0 and above
Function: time and date display, pedometer, calorie calculator, sleep monitor, heart rate monitor, information push, shake to photograph, stopwatch, etc.
Strap length: 24.5cm (with host)
Strap width: 16mm
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