All-new Android wear 2.0 is compatible with both Android (4.3 or later) and iOS (9 or later) IP67 rating for dust and water resistance (not fully waterproof - not suitable for swimming) Supports Google mode snap-and-swap bands so you can Change your band quickly and easily any time you like Google assistant built in - start by saying, "ok Google" or hold the power button 42.3mm stainless Steel case and high quality Leather band.