Smart bracelet, heart rate measurement, fitness tracker, bluetooth function, USB charging

Smart band sports bracelet smart Watch m4 watch heart rate monitor pedometer

Technical specifications :

Made with high quality materials Connection with smartphone via Bluetooth 4.0

Compatibility: Android 4.4 or higher / iOS 9.0 and newer

Connecting using ''Hryfine'' app

Display: tactile, readable Screen dimensions: 2 cm x 1 cm

Waterproof class: IP67 Functional

Modern design

Intuitive use

Comfortable to wear

Wrist circumference approximately 18 cm to 25 cm

Charging time: about 2 hours

Battery capacity: 80mAh

Battery type: Do polymer lithium battery

Note: Do not expose the device to extremely high or low temperatures. Before switching on the device for the first time, it must be charged.