Conwork 3.5mm Stereo Audio 1-In to 5-Out Multi-Port Headphone / Headset Splitter Adapter Connector Music Sharing Device for MP3 Player -Blue 3.5mm headphone adapter splits line into five 3.5mm ports. Connect up to five headphones to one device for sharing music with friends Mix music by connecting multiple music players at once Also works with all MP3 and portable DVD players Mixing and fade-ins controlled by the standard controls of each MP3 player Package Content: 1x Conwork 1-in to 5-out Headphone Splitter; 1x Male to Male Cable (20cm).