Band 9, Comfortable All-Day Wearing, Science-based Sleep Tracking, up to 14 days Battery life, Intelligent Brightness Adjustments, 100 workout modes, Compatible with iOS&Android
Band 9,Bluetooth, iOS & Android,Up to 14 Days Battery Life, Comfortable Wear, TruSleep 4.0, Scientific Sleep Tracking, 100 Training Modes,Smartband,Dawn White Fluoroelastomer Strap