HT21 Lightweight Headphones with XBS

• 30-mm drivers;• Impedance: 16 ohms;• Frequency response: 16 Hz to 22 kHz;• Open-air design;• Wide headband;• Foam cushion for added comfort;• Neodymium magnet;• XBS(R) Extra Bass System;• Weight: 1.2oz;• 4.5ft cord;