M4 Touch Waterproof Heart Rate Sleep Monitor 3 Axis Fitness Smart Bracelet, Black, 501 Original

M4 Touch Waterproof Smart Bracelet Fitness Tracker Heart Rate Sleep Monitor 3 Axis G-Sensor Sports Watch Specification:Model: M4Material: ABSColor: Blue, Black, RedProduct Size: 255 X 20 X 2mm/10.04 X 0.79 X 0.08"Net Weight: 22gGross Weight: 50gResolution: 80x160Battery Capacity: 90mAhSensor: G-Sensor/3 AxisApplication Language: Support Multilingual SMS ReminderCompatible with iOS 8.5 or above/Android 4.4 or aboveApplication: Can be used independently or mobile Note:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3mm measuring deviation due to manual measurement.1 X Smart Bracelet