DJ Style headphones designed to match your portable player wherever you go. Its driver 40 mm wide provides rich bass sound. Weighing only 145 grams, are right to move them around the city. OUTSTANDING FEATURES : DJ stereo headphones and adjustable closed. Specially designed to match your portable player wherever you go. 40 mm driver which provides rich bass sound. 108 dB sensitivity for powerful audio output. Ergonomic design with padded headband and earpad for a comfortable fit. Headset with 90-degree turn for comfort and for use in one ear. Practical unilateral cable, because it avoids considerably the tangles. Gold plated audio jack. Compatible with iPod and iPhone. Technical Specifications : Transducer Type: Dynamic enclosed. Frequency response: 20 Hz ~ 20 KHz. Impedance: 32 Ohm. Sensitivity: 108 dB 3 dB. Diameter of diaphragm: 40 mm. Connection cable: cable unilateral. Cable length: 1.2 m. Audio connector: 3.5 mm gold plated. Weight: 145 g.