Clocks
Gym Timer LED Digital Clock, Mini Portable Interval Workout Timer, Built-in Magnetic Spine for Home Gym Fitness, Tabata(green white letter in orange frame)
* Pocket-Sized Convenience: Small enough to fit in your pocket, making it easy to take with you wherever you go. * Long-Lasting Battery: With up to 30 hours of battery life on a single charge, you can focus on your workout without worrying about...
https://www.bizrate.co.uk/clocks/gym-timer-led-digital-clock-oid28739034122.html