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USA — Shipping

***YOUR ORDER WILL BE SHIPPED PROMPTLY. PLEASE UNDERSTAND WE CANNOT GIVE REFUNDS ON SHIPPING IF YOUR ITEM ARRIVES LATER THAN EXPECTED DUE TO THE POSTAL SYSTEMS SERVICE.*** We ship daily from our Michigan warehouse Monday through Friday and most Saturdays via the US Postal Service. PLEASE NOTE - All shipping times below are estimated delivery times by the USPS and are not guaranteed.

$3.95 - Standard shipping usually takes 5-7 business days.

$9.95 - Priority shipping usually takes 4-6 business days, but please note this is not guaranteed by the Post Office.

$24.95 - Express mail shipping takes 2-3 business days when the order is received M-F before 3PM Eastern time.

CLASSIC, Plus and Charge model Setup

Important - Please Read

The Charge model operates the exact same way as the Classic and Plus models as far as setup and operation. You can view the video and expanded instructions below and apply it to the Charge model. The only operational difference is that the Charge model has a built in rechargeable lithium battery that cannot be removed or replaced. So when following the instructions below, ignore the part where it say to replace the AAA battery with a brand new one before rebooting. With the Charge model, simply charge the timer first and then attempt a reboot by using a pen to push the REBOOT hole on the side of the timer.

Never remove the back of any model of timer by using a screwdriver to remove the screws. There will never be any reason to do that. Doing so will void the warranty.

Expanded Instructions PDF

Gymboss Classic
Gymboss Outline

miniMax model Setup

Gymboss Minimax
Gymboss Outline

Click here to view the basic setup video - miniMAX 101.

Click here to view the miniMAX video - 3+ INT and MULTI mode..




If for any reason you are not completely satisfied with your Gymboss timer within 30 days of receipt, please return to us for a 100% refund of your item's purchase price. Please include the invoice number or purchase information including, address, e-mail address, and phone number. Please note we do not refund the shipping cost.


We offer a warranty against manufacturing defects and will repair or replace any product found to be defective within the scope of normal use for the period of one year from the date of purchase. The timers are made for personal use. If you choose to use the timers in a commerical setting this will invalidate the warranty and replacements will not be guaraanteed. Classic or miniMAX model timers that have been exposed to excess moisture, submerged in water, or used in steam rooms or hot yoga rooms are not covered under this warranty.



First insert a new battery in the timer, not a used battery from another gadget, preferably an Energizer or Duracell. If a new battery does not resolve the issue, REBOOT the timer, by using a pen to push the reboot button on the side of the timer. If this does not resolve your problem, please review the Return/Replacement Procedure below.


Before returning your timer try the troubleshooting steps above as 90% of returns are cured with a brand new battery and timer REBOOT.

All returns and replacements from purchases made here on require return authorization, before posting items back to us in the mail. FOR GYMBOSS.COM PURCHASES ONLY - Please email us at to request your return authorization. We strive to respond to all return and replacement requests within 24 hours, Monday – Friday.

IF PURCHASED ON AMAZON OR EBAY OR ANY OTHER WEBSITE, please make contact via the following avenues:
AMAZON Purchases - Directly through your Amazon account only. NOTE - Items must be purchased from our Amazon selling account, which is "Gymboss Timers". We cannot look up orders purchased from any other seller on Amazon or provide replacements for items purchased from other sellers. Also, we must have your Amazon Order # to look up your order, we cannot search by name for orders from Amazon. It is literally not possible. Simply go into your Amazon Orders section and retrieve (copy and paste works best) your Amazon Order # and include that in your email to us. Or, simply use the contact seller button in your Amazon account.
EBAY Purchases - Directly through your eBay account. NOTE - Items must be purchased from our eBay seller account, which is "gymbosshq" only.
OTHER STORES EITHER ONLINE OR PHYSICAL Purchases – Directly through the store the items were purchased from, they are responsible for your replacement. We do not replace timers purchased from other people or stores

More Info

Read our Privacy Policy or read the GYMBOSS Guarantee.