Fangrui Product Details Multifunctional Countdown Timer: Featuring 11 Preset Countdown Productivity , Just Flip The Timer To The Desired Time And The Number Indicating The Countdown Time Face Up. Manage Your Tasks And Activities With Ease. Say Goodbye To Disposable Batteries! The Pomodoro Timer Is Rechargeable Via Usb C Cord, Making It Environmentally Friendly And Cost-effective. Keep The Planet Green While Managing Your Time. Experience The Flexibility Of Three Alarm Modes With This Rotary Timer - Choose From Ring, Vibrate Or Flash To You Miss Important Alerts Or Achieve Your Time Management Goals. Improve The Efficiency Of Your Work And Life! The Desktop Digital Flip Timer Is For The Pomodoro Technique, Helping You Manage Time Effectively During Work, Exercise, Cooking And Leisure Activities. This Portable Learning Square Timer Isnt Just Functional; Its Also Beautifully Designed. Widely Used In Kitchen, Office, Study Room, Reading, Meditation, Traveling, Exercising, Brushing Teeth, Etc. It Is A For Children. Ma Crafted With Attention To Detail