GymBoss Plus

GymBoss Plus

Small, easy to use, repeating interval timer. Many versatile functions that make it beneficial to virtually any type of exercise program.

Add accessories to your gymboss like lanyard, bands or protective casing or wear it like a watch

We recommend buying a set of AAA batteries to go with your GymBoss.
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Gymboss PLUS model timer - Louder beep. Increased water resistance. Targeted towards outdoor activities. Perfect for run walk run programs, interval running training, learning to run, or for users who want to easily monitor time rounds remaining during activity. Has a very loud beep, which makes it perfect for group classes or outdoor use. The beep can be made dimmer or silenced altogether by using only the vibrate mode.

  • Increased water resistance makes this ideal for outdoor actives
  • Very loud beep - louder than all other models
  • 1 or 2 intervals - 2 seconds to 99 minutes
  • Repeat up to 99 times
  • Beep and/or Vibrate alarm
  • Alarm duration 1, 2, 5, or 9 seconds
  • Stopwatch function
  • Clock function
  • Secure removable Belt clip
  • Compact Size (1 ¾ x 2 ¼ x ½ inches)
  • Water, sweat and shock resistant (cannot be submerged)
  • AAA battery required

GYMBOSS (USA) Troubleshooting and Return Policy

Please complete all these steps before reporting the GymBoss as defective.

First insert a NEW battery in the timer, NOT a used battery from another gadget, a
NEW battery and we recommend an Energizer or Duracell battery that is not a

1. Now reboot the timer by inserting a pin or paperclip into the REBOOT hole and
you should feel a slight click. If the reboot is successful, the timer will now be on
and display BH, 10, ALM 1, 3:00, 1:00.
2. While holding NEXT button, press CHANGE button to see “Stop” to verify
stopwatch operation.
3. Hold NEXT button for 3 seconds to turn off.
4. Press any button to turn back on.
5. Enter SETUP and set timer to your desired functions and check operation.

If the problem persists, please review the following and contact us via phone or


Purchases within 1 year:

Movement First will replace your timer with a new timer if it is shown to be defective.

Colours are subject to availability. 

This warranty does not include the accessories. 

We also offer these accessories that are compatible with the timer:



  • Elastic velcro stretches to fit your wrist, forearm, bicep, etc.
  • Color: Black
  • Fits: 9-19 inches (23-48cm)
  • Width: 1 1/8 inches (3cm)


  • Fits 6-12 inches (15-30cm)
  • Width 1 1/8 inches (3cm)


  • Quick release clasp
  • Secure back loop connection
  • Color - Black, with Gymboss repeated in Gray
  • Material - Nylon

Clear Silicone Skin

  • Increase Water Resistance and Shock Protection
  • Fits both the current model Gymboss and the miniMAX model

* Please note the skin does NOT make the timer waterproof, but more water resistant. You cannot submerge your timer underwater, even with the skin on.

We recommend buying a set of AAA batteries to go with your GymBoss.

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