Altec Lansing MZX756-BLK KickBack Headphones, Black 40mm Neodymium dynamic drivers Rotatable ear cup for music cue and rugged die cast aluminum design Soft padded leather headband and an integral microphone and song navigation/ telephony buttons Foldable design for compact storage Gold plated 3.5mm connector, 1/4-inch adapter and rugged carry case all included Connectivity technology : Wireless