Screen size: 3.66 cm / 1.44 inch

BT version: BT4.0 or above

Multi sports: walking, running, cycling, mountaineering

Fitness tracking: steps monitoring , distance, calories, pedometer, heart rate, blood pressure monitoring, sleep quality

Charge type: USB quick removal direct charge

Alarm clock, anti-lost, remote control

Compatible systems: for android 4.4 and above, IOS8.0 and above

APP language: english, french, italian, polish, spanish, portuguese, russian

Dial window material: hardlex

Case shape: rectangle

Movement: digital

Dial diameter: 4.3 cm / 1.69 inch

Band width: 2 cm / 0.79 inch

Shock resistant, LED display, auto date, calendar

Anti-magnetic

Band material: silicone

Clasp type: hidden clasp

Case thickness: 13 mm / 0.51 inch

Band length: 23 cm / 9.06 inch

Case material: plastic

USB interface charging method, no charging cable required (USB charging head is not included in the box)

Resolution:  240*240

Standby time: 2-3 days of normal use; 7-day standard based on 230 mAh

Do not use chargers higher than 5V/2