App Functions:Data synchronization: Connected， 5 minutes automatically synchronized onceHistorical data: Store 7 daysTrend Analysis : Day， week， month， year， (all day and sleep)Day data details: Number of steps， calories， intensityChart Analysis: Steps curveDegree of completion: PercentageMotion data details: Duration， number of steps， calories， optional heart rate (average， maximum)Chart Analysis: Step curve， heart rate curve， heart rate zonesMotion data comparison: The same type of motion ContrastSleep data details : Sleep long， deep sleep， light sleep， waking statisticsCurve analysis: Sleep curve， heart rate curveReal-time heart rate monitor: Real-time measurements in the mobile phone side， with the type of movementFatigue monitoring: Irregular automatic measurementsFamily friendly: Share fatigue data and the weekly trend to relativesMovement Goal Setting: Target number of stepsEquipment Management: Add or cancel equipmentRemote Upgrade: Firmware and sensor algorithm optimization and upgradingSpecification:Tyepe Smartband Model Makibes JW018 Quantity 1 Piece Color Black Purple Green Orange dark Blue light BlueLanguage English Charging time 1-2 hours Standby time About 5 days Bluetooth BT4.0 Compatible iOS 7.0 and above; Android 4.3 and above Function Passometer，Fitness Tracker，Sleep Tracker，Message Reminder，Call Reminder，Heart Product Description:1*Makibes MJW018 BT4.0 Smart band bracelet Wristband1*user manual1 x charger