For Android Smartphones, it can support all the function in the description
Compatible with: Android 4.3 or above, IOS 6.1 or above (such as iPhone 4S, iPhone 5, 5C, 5S, 6, 6+)
Function: step counts, distance measuring, calorie consumption management, sleep management, event trigger(water drinking,taking medicine,meeting etc), call reminder, message reminder, clock,sedentary reminder, anti-lost(positive and negative direction lookup), remote camera, vibration alarm clock
Made by soft rubber, containing features like light,high resistant and high damage, resistance and waterproof，For iOS iPhone, it cannot support call reminder, message reminder

Technical Details

Size (LWH): 7.4 inches, 3.8 inches, 1.3 inches
Product Details
Product Dimensions: 7.4 x 3.8 x 1.3 inches
Shipping Weight: 0.3 pounds (View shipping rates and policies)
ASIN : B012C6S36W