Updated on Feb 7, 2024
Did you know that the MB Pro1 and 2 have a hidden micro USB charging port that works with the OfficeRunner USB cable? We have confirmation that it works in the MB Pro1 as well!
You just pull off the ear pad on the microphone side and there it is 😊
This will help if an MB Pro you're missing your charging stand or wants a charging cable that can travel with you easily.


June 19, 2023
Wow, what great info. Really glad to have found this. Saved me when my dog ate the cable and I needed to use the headset. Thanks!
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Headset Answers replied:
Glad we could help you out, Andrea!
This is the internal support database for Headsets.com. We manufacture and sell office headsets in North America. With over 25 years' experience in the business, we know headsets.
Please use our support database for free headset support, whether you’re a Customer of ours (or not). If you have problems, suggestions, or unanswered questions, please email us at hello@headsets.com (compliments also welcomed 😀)
Looking for office headsets in the UK? Check out Headsets.co.uk.
This is the internal support database for Headsets.com. We manufacture and sell office headsets in North America. With over 25 years' experience in the business, we know headsets.
Please use our support database for free headset support, whether you’re a Customer of ours (or not). If you have problems, suggestions, or unanswered questions, please email us at hello@headsets.com (compliments also welcomed 😀)
Looking for office headsets in the UK? Check out Headsets.co.uk.
March 12, 2026
Thank you for your post! I took apart a discarded yet fully functional MB Pro1 last night and was wondering if it could be charged via this hidden port.
By the way, on this model the battery is located at the other end of the headband, in the little rubber “pad” / battery compartment. Remove its plastic cover bearing the Sennheiser logo and here it is. It is easy to replace too as it uses a small yet standard connector. The battery on mine is a tiny Li-po AHB401835TPS, 3.7 V 205 mAh.
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Headset Answers replied:
Jeff Warren Professional Headsetter Headsets.com
1-800 HEADSETS (1-800-432-3738) Jeff@headsets.com<mailto:Jeff@headsets.com>
Checkout my favorite headset here<https://www.headsets.com/products/leitner-lh675-wireless-headset-works-with-your-office-phone-computer-and-cell-phone>!