Koss KEB24b - Earphones - in-ear - wired - 3.5 mm jack - blue

The KEB24 is lightweight with an in-the-ear design for deep bass and listening to music on the go. The KEB24 features a dynamic element that is positioned just outside the ear for extended frequency response of 15 - 20,000 Hz. The KEB24 includes small, medium and large silicone ear cushions for a customized fit to enhance isolation when you want to eliminate ambient sounds that interfere with the listening experience. A flexible strain relief has been added for comfort.

Key Features: Frequency response:15-20,000 Hz Impedance: 16 oms Sensitivity : 00 dB SPL/1mW Distortion: < 1.0% Cord: straight, dual entry, 4ft