Enjoy amazing musical clarity in a featherweight package using these Hi-Fi lightweight on-ear headphones from Moonrise! These on-ear headphones tip the scales at a mere 4. 5 ounces, which helps prevent fatigue during long listening sessions. The inline controller contains a microphone for phone calls and allows you to pause/resume audio playback. These 32-ohm headphones boast superb low-end bass response, with a 20Hz 20Khz frequency response and 101 dB sensitivity.