Features: Accuratelytrackall-daystatslikestepstakendistancetraveledcaloriesburnedstairsclimbedandactiveminutes SeedailystatstimeofdayandexercisemodewithabrightOLEDdisplay Monitoryoursleepautomaticallyandwakewithasilentalarm Getcallnotificationsrightonyourwrist Accessreal-timerunstatsliketimedistanceandpacetostayontrack Syncstatswirelesslyandautomaticallytoyourcomputerandover120leadingsmartphones Warning: Thedeviceiswaterresistantandcanwithstandlightrainsweatandsmallspillsonly. Donotsubmergethedeviceinwaterorwashyouhandswhilewearingit. Specifications: Color:BlueGreenOrange Appearancematerial:Aluminumalloyshellsoftrubberstrap Bluetoothversion:4.0BLE(lowpowerconsumption) Bluetoothchip:QuinticQN9021 Batterytype:301221 Display:OLED64*32 PCBsize:34.6*14.5*0.8 Memory:64KBRAM+64KBROM Sensor:Gsensor Compatiblewith:Android4.3oraboveIos6.1orabove(suchasForiPhone4SForiPhone55C5S) Standbytime:Normallyuseoneweekstandbyfor3Months Dimension:approx.23cmx1.9cm/9.05x0.74inch Packageincludes: 1xSmartWristband 1xChargingCable