Letike GT101 Smart watch men Bracelet real-time monitor heart rate & sleeping best Couple Fitness Tracker pink fit women

Brand Name: LetikeNetwork Mode: NoneSIM Card Available: NoSystem: NoneMultiple Dials: YesROM: <128MBFunction: PassometerFunction: Fitness TrackerFunction: Sleep TrackerFunction: Message ReminderFunction: Call ReminderFunction: Push MessageFunction: 24 hour instructionFunction: WeekFunction: MonthFunction: Heart Rate TrackerFunction: CountdownRear Camera: NoneBattery Capacity: <120mAhLanguage: EnglishRAM: <128MBMechanism: NoCompatibility: All CompatibleGPS: NoType: On WristWaterproof Grade: Professional WaterproofBand Material: Silica GelApplication Age Group: AdultBattery Detachable: NoMovement Type: ElectronicStyle: SportScreen Shape: SquareCase Material: PlasticBand Detachable: YesResolution: 240*240Display Size: 0.96"Compatability: Android 4.4 / iOS 8.5 and above systemattnetion: doesn't compatible iphone 5 5s , compatible iphone 6 or aboveBattery Capacity: 90mAhNormal use time: 3-5 daysled size: 0.96"band size: 245*16*11.5mmApp nam