New open box item. May come in original retail box or non-retail packaging (white/clear bag). Box may show wear. Extra Bass Smartphone Headset with MicSmartphone connectivity, impressive bassForm meets function with smartphone control for life on the go. More than your basic pair of over-the-head headphones, the Sony MDR-ZX110AP Black headset delivers rock-solid audio performance, integrated microphone for hands-free calling, and media playback controls for convenient operation.Acoustic Bass Booster for incredible bass responseIn-line microphone for hands-free phone callingCompatible with Apple or Android smartphonesLightweight on-the-ear design