TK450
              Product Description:

Model：115PLUS HR Heart Rate Fitness Tracker
Functions： Pedometer, distance, Calorie, Sleeping monitor, Multiple sports modes, Alarm clock, Remote camera control, Sedentary alert, In-coming call alert, Heart rate monitor
APP OS： Android 4.4 and above, iOS 7.1 and above
CPU： Nordic nRF52832-QFAA
Sensor： KIONIX KX022-1020
Bluetooth：4.0
waterproof: IP67 waterproof
Screen size：0.96inch
Screen type： OLED
material：Upper casing: PC,strap:TPE
Dimension：Suits for wrist size：5.4 inch - 7.6 inch
Battery type：Li Battery
Battery capacity：65mAh
Standby time:5-10 days
Charging method：USB charging
Charging time：1-2 hoursn  

contact 01919366199