Carbuncle G2 Smart Bluetooth 4.0 Sync Waterproof Phone Watch with Camera Sport Pedometer Smartwatch for iOS iPhone Android Samsung HTC etc (Black and Gray) Instant Notification: Samsung Gear 2 enables you to receive instant notifications from your phone and apps plus a variety of 3rd party apps which you can view clearly on a sAMOLED screen. Personalized Fitness Motivator: Samsung Gear 2, with its built-in Heart Rate Sensor, S Health features, and pedometer, track your daily pattern of exercise to give you customized real time coaching to help you achieve your goals. Features Bluetooth 4.0 wireless connectivity. Permits short-range wireless data transfers at up to 30' with other Bluetooth-enabled devices. Compatible with Samsung Android version 4.3 Jelly Bean or higher. Device must have WVGA or higher screen resolution and a minimum of 1.5GB of memory. Smart Notification: allows you to make and receive calls and read more on a large sAMOLED display making communication smooth and seamless.