Active Noise Canceling Headest   Headphone with built-in Media Player   Flash Pen         Docking Station   Docking Station Media Player     SD Media Player   3.5"HDD Media Player     2.5"HDD Media Player Specifications: • Headset with built-in SD card reader • USB input Cable • Power On/Off, Pause, Stop, Play, Next, Previous, • Volume Up/Down, 4 EQ modes Stereo