Vibrating Alarm Wristband Waterproof Alarm Clock Watches with Step Counter Silent Wrist Shock Bands Smart Bracelet

High-concerned chemical : None Bluetooth-compatible Version : NONE Global positioning : NONE Metrics measured : Other Activity Tracked : Steps Tracker Screen size[mm] : as shown Category : Wristbands Application Age Group : Adult Waterproof Grade : Life Waterproof Compatibility : All Compatible Language : English Function : Passometer,Alarm Clock,Calendar Origin : Mainland China Touch Screen : No Screen Type : LCD Certification : NONE Band Material : Silicone