ABS case and silicone strap. A free black strap with each watch. Adjustable silicone strap

ABS case - LCD screen - Plastic case back with sensors - Features bluetooth connection, rechargeable via USB - Lithium polymer battery, 7 days standby time - Silicone strap - Water Resistant IP 67 - Minimum requirements Android 5.0 / Apple IOS / IOS 9.0 - Protection for thin glass screen

Clock functions: Change screen background, Turn on wrist rotation screen, Alarm setting, Push button monitor and IP68 water resistant

Wellness functions: Oxygen (02), Blood pressure, Sleep control and Cardio rate

Sport functions: Pedometer distance, Calorie consumption, Sedentary reminder, Weather, Beats per minute and Time (BPM / CAL / TIME)

Sports: Walking, Running, Biking

Cellular Functions: Message Notification, Watch Finder, Music Control, Call Notification, Selfie Photo Remote and Anti-Abandonment Cell Phone