Driver: 10mm. Impendence: 16ohms. Frequency: 20-20kHz. Sensitivity: 105db. Rated Power: 3mw. Max Power: 15mw. Cable: 1.2m. All Volkano products come standard already branded with the Volkano logo and can be co-branded with your logo where applicable Samples are NON-REFUNDABLEBlue, Black, Red, White