Should I replace the batteries in Mivi Saxo headphones? Hari Thadoju May 19, 2018 10:46 Updated Follow No, Mivi Saxo headphones have a built-in non-detachable lithium-ion battery which can’t be taken out. The battery can, however, be recharged from the mini USB port. For any issues with the battery, please do refer to our Warranty page. Comments 0 comments Article is closed for comments.