Bluetooth Waterproof Smart Fitness Tracker Band 4

1-HD OLED DISPLAY – 0.96 inch HD OLED screen and a adjustable strap length of 155 – 216mm

2-REAT BATTERY – Usage time of 7 Days and a standby of upto 15 days with a charging time of 3 hrs.

3– Call and SMS Alert: Read messages and receive call notification directly on your band and alerts from applications such as Facebook, WhatsApp, Instagram, etc.

4-HIGH QUALITY – The materials used are of good quality, the strap is made of best grade of silicone, and the activity tracker is made of durable materials.

5– Compatible with all models of Xiaomi / Redmi / Oppo / Lenovo / Samsung / All iphone models / One Plus & All Other android and IOS Smartphone

Display -0.95″ AMOLED Display, 120*240 Pixels

Battery-135mAh battery compacity,Up to 20 days (Recharging time ~2 Hours)

Water resistance- 5ATM water resistance up to 50m
Activity Tracking - Count steps, distance, calories burned
Healthy monitoring- 24/7 Heart rate monitoring
Sensor- 3-axis accelerometer, 3-axis gyroscope,
Connective -Bluetooth 5.0
System requirement-Android 4.4, IOS 9 and above

Grab the offer from- https://www.jstbuy.com/product/smart-fitness-band-4/