Creative Flip Countdown: Equipped with a precise gravity sensor system, you can quickly start the countdown by flipping the timer and turning the corresponding time number face up. Preset times: 3,5,10,15,25,30min. Easy to operate, allowing you to experience fun while managing time.Rechargeable battery: Built-in 500mAh rechargeable lithium battery, the timer can be used continuously for 10 hours after being fully charged. No need to replace the battery frequently, making your life more economical and environmentally friendly.Multiple functions: The timer can be used not only for custom countdown but also for timing, the maximum display time is 99:59. It has five levels of volume and mute mode, can be adjusted to meet all your needs, suitable for daily tasks management such as kitchen cooking, sports fitness, school education, business office, etc.Colorful LED Display: With LED high-definition electronic display, clear and easy to read, you can quickly check the time progress, battery power and volume, allowing you to manage the time to every second.Comfortable and Portable: Made of electroplated ABS material, the timer gives you a metal-like texture, prevents abrasion and scratches, and is more durable. The timer is light and small, very portable, weight: 0.012lb, size: 4x5x5cm. Fashionable and beautiful, it is a good gift for friends and family.Material:ABScolour:silverPackage Contents:2 * timer clock2 * usb cableOnly the above package content, other products are not included.Note: Light 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.