Panasonic Rp-hx350-v Purple [Support DTS Headphone -X] (Japan Import) Play frequency band:9~25,000Hz.Maximum input:1000mW. Impedance: 32. Sound pressure sensitivity:107dB/mW. Driver size:36mm Diameter.Weight:195g(Including code). Folding. Length of the code:1.2m A Soft head-pad for good fitting with a wide headband. The ear pads are futher soft for your ears lobes.