Weight: 24gDimensions: 9.45 in x 0.79 in x 0.59 in (24.5cm x 2cm x 1.5cm)Brand: N/AModel: N/AColor: BlackQuantity: 1 Material: Soft SiliconeDisplay Screen: dot-matrix OLED display screenDisplay Screen Size: 0.9"Battery Type: Polymer lithium batteryBattery Model: 301425Bluetooth Version: 4.0BLE(low power consumption)Operation System: IOS 6.1 or above; Android 4.3 or aboveMaster Chip: Quintic QN9021Memory: 64KB RAM + 64KB ROMSensor: Gravity acceleration sensorGrade of waterproof: IP67Charging Time:2-3HoursWorking Time: About a weekStandby Time: About three monthsPedometer: Record and track steps accurately.Distance Measurement: Measure your daily walking distance.Calories Consumption: Calculate the consumption of caloriesSleep Monitoring: Monitor your quality of sleepTime Display: Sync the time from smartphoneReminder: Drinking， taking mdeicines， meeting， sedentary reminderIncoming Call ReminderMessage ReminderIt will alarm when the cell phone and bracelet is out of 5-10 metersWhen the bracelet is connected with the cell phone， you can use the bracelet as a remote control for taking picture or vodeosIP67 waterproof， enjoy your exercise. Data transfer properly with Bluetooth and test by motion sensorDownload Website: http://www.meishengan.com/use_show_165.htmlPacking List:1 x Smart Bracelet1 x USB Cable(40cm)1 x English & Chinese User Manual<img src="http://112.74.112.28/down/products/434043/434043_000.jpg">