Letsfit Fitness Tracker, Activity Tracker with Heart Rate Monitor and Sleep Monitor, Step Counter Pedometer Watch, IP67 Water Resistant Smart Bracelet for Kids Women and Men

What you can get:
OLED 0.96 Inch Screen: View your health data on a clear OLED 0.96 inch screen and customize your clock face that suits your taste.
Call Alert: The tracker vibrates and call is displayed on screen when there is an incoming call.
Sedentary Alert: Set reminders for periods of time of inactivity.
Alarm Alert: Set silent alarms on the tracker to wake you up and not disturb your partner.
SNS Alert: Receive notifications from other apps (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) on your tracker screen.
SMS Alert: Turn the function on to read incoming text message on your tracker screen.
Remote Camera Shooting: Operation on the tracker could remotely control photography shooting.
Wrist Sense: The screen is automatically lighten up when you turn your wrist towards you.
Waterproof Rating: IP67 water resistant, sweat-proof, rain-proof, but do not wear it when you are showering or swimming.
Model: ID115Plus HR
Transmission distance: 10 meters (32.8 feet)
CPU: Nordic nRF52832-QFAA
Sensor: KIONIX KX022-1020
HR sensor: silicon labs Si1142
Screen: 0.96 inch OLED
Material: upper casing: PC; strap: TPU
Dimension: suits for wrist size 5.4 inch - 7.6 inch
Battery type: Li Battery
Battery capacity: 65mAh
Working time: 5-10 days
Charging method: USB charging
Charging time: 1-2 hours
Weight: 0.84oz (23.8g)

Note:
The package does not include a USB wall charger or charging cable. This fitness tracker comes with a built-in USB plug. Pull the bands off and insert the built-in USB plug into any USB charging port for charging, no charging cable or USB charger needed.