Features: * 0.96 inch 80*160 resolution large single-touch Screen display * Bulit-in 110mAh Polymer Li-ion battery, Charging time about 1-1.5 hours, standby time about 5-7 days * Blood pressure oxygen and heart rate monitor * Step movement mode: Real-time monitoring of movement state steps, calories, distance * Calls / Messages reminder: Whatsapp, Facebook, Twitter, calls etc * Multiple Sports Modes: Riding mode, swimming mode etc * Bluetooth 4.0, for Android 4.4 & iOS 7.1 or above * More function: Heart Rate Monitor,Blood Pressure Monitor,Blood Oxygen Monitor,Sleep Monitor,Pedometer,Distance,Calories,Sport Mode,Sedentary Reminder,Call Reminder,Alarm Clock,Raise Arm Bright Screen Specification: Model: Y5 Color: Black, Light Blue, Dark Blue, Purple, Red Compatible OS: Android 5.1, IOS 8.0 or above Operating Mode: Single Touch Bluetooth Version: 4.0 APP Language: Chinese, English, Japanese, Korean, French, German, Russian, Polish, Spanish Size: 40.4*20.1*10.5mm Sreen Size: 0.96inch Color Screen Battery Capacity: 90mAh Band Material: Stainless Steel TPU Length: 120-210mm Specifications: Color Screen Sport Fitness Hear Rate Blood Pressure Monitor Bluetooth Smart Bracelet Track Pedometer Smart Bracelet