Fangrui Product Details Versatile Countdown Options: Equipped With 7 Preset Countdown Times (1, 3, 5, 15, 30, 60, 90 Minutes), This Octagonal Timer Simplifies Time Management Without The Need For Manual Settings. Flip The Timer To Start The Countdown, For Managing Tasks, Studying, Or Cooking. Intuitive Operation With Progress Indicator: Easily Select Your Desired Countdown By Flipping The Timer, Thanks To Its Built-in Sensor. The Display Features A Red Progress Bar That Visually Tracks Time, Enhancing Focus And Efficiency In Tasks Or Studies. Adjustable Volume Settings: Tailor Your Auditory Notifications With Three Volume Options-mute, Low, And High. This Makes The Timer Adaptable For Various Environments, Whether In A Quiet Library Or A Bustling Office, Ensuring You Remain On Track Without Disturbances. Compact And Portable Design: Measuring Just 2.36x2.36x1.1 Inches, This Lightweight, Rechargeable Timer With A Type-c Connection Offers Portability And Convenience. Carry It Effortlessly To Classrooms, Offices, O