- LED Cat ears light up - 2 LED Modes - Solid and Flashing - In-line Microphone - Dynamic Sound Quality - Lightweight, folding & Swivel Design - Padded Headband and Ear Cushions - Compatible with 3.5mm Devices Driver Unit: 40mm Rated Power: 20mW Max Input Power: 50mW Impedance: 32 Ohm Speaker Sensitivity: 102db Frequency Response: 20Hz-20kHz LED Button Battery: 3V, 240mAh (Battery Included) Plug Type: 3.5mm Stereo Cable Length: ~ 5ft (~ 1.5m) Weight: .36lb / 0.16 kg