M4 Smart Digital Watch Fitness/Sport Tracker B/P HeartMonitor Men/Women Bracelet

Condition: Brand New

Screen size: 0.96 inch

Operating System: suitable for All mobile phones with Android 4.4 and iOS 8.0.

Waterproof level: IP67 Waterproof

Colours Available: Black

Feature: Touch screen, Waterproof IP67, Blood Pressure and Heart Rate Monitor

Vibration: Silence

Battery Capacity: 3.7v, 90mAH

Battery life:10 days (Depends of usage)

Battery Type: Polymer Lithium Battery