WIRELESS SIMPLICITY WITH SUPERIOR SOUND. With powerful 40mm drivers and exceptional acoustics, Hesh Evo features audio quality that has been refined over four generations of constant improvement. The clear, rich sound rivals the most expensive headphones out there — at a price that’s surprisingly affordable. Hesh Evo wireless over-ear headphones feature 38 hours of battery, rapid-charge technology, a collapsible design, Tile tracking and Bluetooth 5.0 wireless technology.