1 silent vibration alarm clock, you can manually set 2 vibration alarm clock reminders2 Sleep quality detectionIntelligent 3D motion step countingProducts: pedometer, motion trackingWearing style: Bracelet typeOperating mode: push on typeInterface: USB 2.0, can be charged directly on computer or USB charger, no power adapter required: communication functionColor: blueCommunication type: Non-insertable cardBattery life: 7-14 daysWaterproof