Smart Bracelet LED Digital Waterproof Smart Clock Smartband.

features 1Silent vibration alarm clock, you can manually set 2 vibration alarm clock reminders 2Sleep quality detection 3D intelligent motion step counting Products: Pedometer, Motion Tracking Wearing style: wristband type Operation mode: push-button type Interface: USB 2.0, can be charged directly on the computer or USB charger, no power adapter required: communication function Color: blue, black, white, pink, purple, green Communication type: non-insertable card Battery life: 7-14 days Waterproof