Battery: Engineered to be as small as possible, every Tile contains a custom power source that lasts one full year. At the end of that year, you can renew your Tile with our reTile program. Compatibility: iOS: iPhone (Released 2011 or later), iPad (Released 2012 or later), iPad Mini, iPod Touch, Apple Watch Android: Samsung Galaxy (S5 or later), Samsung Note (4 or later), Nexus (4 or later), OnePlus (one or later), HTC one (M8 or later), Motorola Moto X, and most Android devices equipped with Android 4.