WIRELESS SIMPLITY 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. Bluetooth Wireless Technology Up to 36 Hours of Battery Rapid Charge: 10 Minutes = 3 Hours Noise Isolating Fit Refined Acoustics Call, Track and Volume Control Flat-folding and Collapsible Built-in Tile Carry Case Back-up AUX Cable USB-C Charging Cable 2-Year Warranty