Lightweight economy headphone for tour party listeners. Bulk pack of 100. Foam earpads, on-ear design with a lead length of 80cm which is ideal to connect to a receiver on a lanyard. Straight lead 80mm 3.5mm stereo jack plug 27mm speaker driver Sensitivity 104 dbV/Pa Net weight of headphone 0.04Kg Product dimensions 160 x 135 x 50 mm Impedance 32 ohms