Black only. Function : Passometer、Sleep Tracker、Message Reminder、 Call Reminder、Push Message、Blood Pressure、Alarm Clock、Blood Oxygen、Heart Rate Tracker Language : English Screen Type : Color LCD Waterproof Grade : Life Waterproof Compatibility : All Compatible Touch Screen : Yes Band Material : Silica Band Detachable : Yes Model : M4 Application Age Group : Adult Case Material : Plastic Style : Sport Screen Style : Rectangle/Square-shape Color : blue, black, red (optional) Screen size : 0.96in Waterproof : IP68 Package weigh : 50g / 1.8ounce