This quality interval timer will make any workout easier to plan and execute with more accuracy and consistency.
One or two different time intervals from 2 seconds to 99 minutes
Auto mode keeps repeating through intervals
Set up to 99 rounds
Manual mode acts as countdown timer
Alarm by beep, vibration, or both
Alarm duration of 1, 5, or 10 seconds
Size of a small pager (1 3/4 x 2 1/4 inches)
Water and shock resistant
AAA battery required
Maximize your training to increase:
Muscle strength, size, and endurance
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 rechargeable.
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 email:
Purchases within the last 90 days:
Movement First will replace your timer with a new timer if it is shown to be defective.
Purchases between 90 days up to 1 year:
Please contact GymBoss USA directly. Contact email@example.com with your name, address, description of problem and that you bought it from MovementFirst.sg.
Other support details
PO Box 303 St. Clair, MI 48079
Phone: 877-GYM-BOSS Monday-Friday 9am to 5pm Eastern Time Email: firstname.lastname@example.org
We also offer these accessories that are compatible with the Classic Gymboss and the miniMAX: