Iuhan&reg; Fashion M1 Smart Bracelet Heart Rate Monitor Waterproof Bluetooth Smart Watch (Black) Sensor: Gravity acceleration sensor Step count, distance, calorie consumption management, sleep management, time display, event reminders (water, medication, meetings, etc. Custom), call alerts,message alerts, clock display, sedentary reminder, vibration alarm, remote self-timer bell . Automatically sync data via Bluetooth 4.0 with Android 4.4 above smart phones (such as Galay S4,Galay Note3 etc.)and other IOS7.1 or above iphone Supported models: For iPhone 4S / 5 / 5C / 5S / 6 / 6P IOS7.1 above, Android 4.4 and above and Package Content: 1PC Bluetooth Watch 1PC User Manual 1PC Instructions 1PC Charger