M2 smart bracelet Android IOS fitness bracelet waterproof wristband GPS

Features:Activity trackr, recor d your daily activity: steps, distance, time and calories.Support real time heart rate and bloo d pressu re monitor.Sleep monitor, check sleep trend chart to view your sleep time and quality.Support coming call notification, you won't miss important issues.Soft watch band strap provides ultra comfort when wearing. Descriptions:Built-in rechargeable batter y, support USB charging.Lightweight and comfortable to wear for all day long.It is fashionable, easy to go well with various style. Specifications:Model: M2Screen: 0.44" OLEDBluetooth: 4.0Battery: 60mAhWaterproof level: IP67System Requirements: Android and iOSFunction: pedometer, calorie, distance, Sleep monitor, bloo d pressur e and Heart Rate monitor, clock alarm, call reminderMaterial: plastic and silicon eSize: 255*25*11mmColor: black, yellow, blue Package included:1 x Smart Watch1 x USB Cable1 x Manual