BLUEWEIGH Bluetooth 4.0 Activity Fitness Tracker: Track Workouts, Active Minutes and Steps Monitors Your Steps(Accurate step counting), Distance, Burned Calories and Sleep pattern. Has Anti-Lost Alert if out of Bluetooth range, Find Phone feature allows to locate cellphone within Bluetooth range, Activates with Wrist Pronation, Smart Watch, Snap a Still Photo on your Cellphone with a simple Wrist Pronation Automatically set Time/Date from your Phone, Alarm clock, Inactivity Reminder (silent vibration), Sync Stats Wirelessly and Automatically to Your Smartphones Low Energy Consuming OLED Display, Fast Charge(15-20 min) lasts 7-10 days, Standby 15 days and more, Easy Set-Up, Supports Android and iOS Water Resistant, Durable Elegant Silicon Wristband with Tight Clasp, USB Charger, Presentable Black Box