Optoma Technology NuForce HEM Reference Class In-ear Headphones - Stereo - Mini-phone (3.5mm) - Wired - 38 Ohm - 18 kHz - 40 kHz - Binaural - In-ear - 4.50 ft Cable - Blue HEM4-BLUE

Reference class in ear headphonesThe Hi-Res Audio certified NuForce HEM earphones are an innovative audio series with cutting-edge designs. The four models are all engineered based on the latest Balanced Armature Driver technology and on the attention to the finest details. These luxury high-quality earphones are perfect for those who demand balanced sound with crystal clear highs and explosive bass.