The average listening time might range from 2 to 4 hours, per charge. They perform within a given frequency range. Frequency response refers to the lowest and highest audio frequencies headphones can reproduce. Frequency response is measured in Hz, which represents a sound wave cycle per second. The optimal frequency response of the human ear is 20Hz to 20,000Hz.
Most headphones meet or exceed that frequency range.
Headphone models made by these manufacturers may be designed for compatibility for best performance with these bass-enhancement technologies. Most headphones now include an adapter that allow connection to either sized port. Please let us know. Images are for visual reference only. Not all accessories pictured are included.