LED Alarm Clock Vibration Watch Long Standby Time Student Watch Features: Multiple functions, luminous display, displaying the sun and the moon, light to light up, 50m , silent vibration alarm clock. Adjustable buckle design, folded mouth strap, easy to wear, firm and comfortable. Skin-friendly strap, -grade skin-friendly strap, comfortable and light, allowing children to move freely. Thin and light design, no feeling of wearing, fits the wrist and is comfortable to wear. Suitable for teenagers, sports ladies, sports men, couple . Product Description: LED Alarm Clock Vibration Watch Long Standby Time Student Watch Material: Silica gel Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 0g Package size: 5x5x5cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.)