Alcatel One Touch Smart Watch, 41.8 mm, Black Stay powered up while you're on the go with built-in USB charging, and toss out that unnecessary charging dangle. AVAILABLE IN 2 SIZES: S/M and M/L ACTIVITY TRACKER: Steps, Calories, Sleep and Heart Rate PHONE CONTROL: Receive Phone Notifications, Music, Control Phone Camera From Watch & Phone Finder. RUGGED & DURABLE: Water and Dust proof. Great running watch. To track your activity, control your phone, and much, much more, please visit our companion website. Please Note: Kindly refer the User Manual before use.