The Health Watch is a USB-rechargeable activity tracker with a color display. Simple and functional Health Watch, with a USB charger. The scale automatically turns on and off when you step on and off. Large, easy-to-read characters. Power source: AAA batteries. Thin and easy to store. - Model Name: Health Watch - Color: Black - Model: Activity Tracker Body - Display: Color Display - Charging Method: USB Rechargeable - Contents: Main unit, charger (USB) - Accessories: Main unit, USB charger, detachable belt - Functions: Heart rate, pedometer, calorie consumption, sleep tracking - The scale automatically turns on and off when you step on and off. - Large, easy-to-read characters. Shipping will be done by attaching a label directly to the box. Thank you for viewing.