This is a Stereo Headphone WITH BASS ENHANCEMENT and 40mm Drivers, soft cushion ear surrounds for the listeners comfort.

PRODUCT FEATURES:

Super bass sound system;

Nominal impedance: 32 ohms;

Sensitivity: 103 dB/mW;

Frequency response, 8-20, 000Hz;

40 mm diameter diaphragm;

Cord length: 3.0m (9.8ft);

Plug & Plug adapter mini to standard;

Maximum input capability.