The Jawbone UP is a system that takes a holistic approach to a healthy lifestyle. The wristband tracks your movement and sleep in the background. The app displays your data, allows you to add things like meals and mood, and delivers insights that keep you moving forward. Compatible with iPhone 4's, iPhone 5's, iPod Touch 5th Gen, iPads and Android 4.3 Jellybean (and onwards). Wrist monitor. Batteries required 1 x Li-Ion (included).