[Enhanced Visual Experience] upgraded digital features a vibrant color screen that combines visual timing with digital precision. The 90-minute countdown is displayed with dynamic white visual bars and a central digital readout, enhancing time management skills for kids and adults alike. [Silent Operation] Designed with focus in mind, this operates without any ticking noise. It offers four customizable alarm settings: mute, vibration, high volume, and low volume, allowing for quick adjustments with a simple click of the power button to suit any environment or preference. [USB Rechargeable] Say goodbye to disposable batteries with our USB-C rechargeable . Safe and convenient, it can be quickly using any standard USB port. This feature makes it an ideal tool for classrooms, kitchens, or any timed activity, promoting eco-friendly practices. [Portable Learning Tool] Weighing just 5.3 ounces, our compact and portable is perfect for enhancing time management and concentration during learning, gaming, or fitness activities. A thoughtful gift for children, it helps them grasp the concept of time and focus better on tasks at hand. Colour:White Material:ABS Package Contents: 1 * 1 * USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.