F4 Timer (Flip Timer Cube) Review & Demo

A tiny cube you set by flipping it — perfect for Pomodoro, cooking, workouts, study, classrooms, and board games.
I show how it works, its main features, pros & cons, and why I personally like it.

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Chapters:

00:00 Introduction
00:53 Features
05:53 Pros and Cons
09:36 Why I Like It

Specs:
- Flip-to-start presets + custom time up to 99:59
- LED minutes/seconds display
- Alarm / vibrate / silent modes (depending on version)
- Rechargeable battery (USB-C)
- Compact and portable

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Видео F4 Timer (Flip Timer Cube) Review & Demo канала Bizarre Tests