Features: You must connect phone through BT before use. Only for iPhone 6 /6 Plus/ 5/ 5s / 4/ 4s,for iPad 3/ mini/ Air, for iPod touch 5, for Samsung S6 S6 Edge, Android 4.3 Above BT 4.0 smartphones. Pedometer: Track daily activities, including steps, distance and calories. Track sleep quality, monitor your sleep quality. It is also a health partner, be ready to help you to do physical exercise at any time. It also has remote camera, smart alarm, remind features and anti-lost functions, very convenient. As a smartphone companion and sports partner, it is the best product for yourself and your friends.