MI

About this itemThis Certified Refurbished product is tested to work and look like new with minimal to no signs of wear & tear; the product comes with relevant accessories and is backed by a minimum six month supplier backed warranty; box may be genericThe Mi Smart Band 4 features a 39.9% larger ..

About this itemUp to 20 days of battery life (If Automatic Heart Rate feature is turned on then expected battery life will be 3-9 days). Compatible with Android 4.4 or later/iOS 9.0 or laterUse Mi-Fit App to connect the phone. Connectivity - Bluetooth 4.20.78” OLED touch screen. The adjustable strap..