Imarku&reg; Smart watch Wrist Watch Pedometer fitness tracker with Genuine Leather Band for Android Phone Smartwatch (Black) Silver alloy stainless steel material,Download watch faces and apps to suit your style and interests Control music playing on iTunes, Spotify, Pandora and more Rechargeable battery lasts 5~7 days on a single charge View notifications from email, SMS, Caller ID, calendar and your favorite apps on your wrist Compatible with Android devices