Will the OHO Pro fit my wrist? #6540 March 18, 2021 21:58 Updated The maximum strap size is 26cm or 10 inches. The straps are 2cm wide. Related articles How to attach or remove the OHO Pro bands/straps Is the OHO Pro big or oversized on my wrist? What are the OHO Pro dimensions? Raise to wake feature - won't work ECG tests - How to do it properly, and what the numbers mean? Comments 0 comments Article is closed for comments.