Mixca Fashion Sports Pedometer Smart Bracelet Health Band Waterproof For iphone (Green ) Dimension: (L x W x H) 214 x 16 x 8MM Material:Medical level TPU Compatibility: For IPhone 4S/5/5S 6 6 Plus , iPad 3/4/5/6 plus some Android phones (Android 4.3 or above with bluetooth 4.0 or above) Intelligent sleeping monitoring, improving the sleeping quality Built-in 3D acceleration sensor with high sensitivity, can catch your every small action, making more accurate pedometer