Start Simple Protable Bluetooth Pedometer Smart Bracelet For Sport Healthy Sleep Monitor 100% brand new and high quality. Waterproof Standard: IP-X6Appearance material: Strap: SoftThe main chip: Quintic QN9021Bluetooth chip: Quintic QN9021 Bluetooth version: 4.0BLE (low power)Memory: 64KB RAM + 64KB ROMSensor: Gravity acceleration sensorBattery: 301 425PCB Size: 34.6 * 14.5 * 0.8Display: OLED64 * 32 Power consumption: normal week for three months standby Supported models: For iPhone 4S / 5 / 5C / 5S / 6 / 6P IOS6.1 above, Android 4.3 and above and 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 . We have chosen logistics faster and better way to ensure that customers receive the goods as soon as possible About us:if you have any question,you can contact us,then we will solve it for you. More surprise product sold by "START"Please pay more attention to our company-www.amazon.com/shops/start_wuvi