LCP/30/MS2L Headsets: 30, Ear Cushions: Leatherette, Volume Control: Not Included Features: -Silver headsets with black ear cushions.-Option for foam or leatherette ear cushions.-White laminated cardboard carry case.-Patented ASM technology (automatic stereo/mono switching.-1/8" plug and 1/4" adapter.-Cord: 6.5 feet.-Speaker drivers 40mm. Specifications: -Heavy-duty, write-on, re-sealable bag designed to combat the spread of head lice. When sealed kills lice in 24 - 48 hours without the use of chemicals.-Impedance: 170 ohms and frequency response: 18 - 20k Hz. Dimensions: -Overall Weight: 8 - 13 lbs.-Overall Dimensions: 12" H x 21" W x 10" D.