Califone CA-110 Discovery Replacement Cord For use with DS-4V Discovery Stereo Binaural Headset; 6 ft Y-Cord with 3.5mm Stereo Plug and 3.5mm Mono Plug on One End and RJ11 Plug On the Other For use with DS-4V Discovery Stereo Binaural Headset 6 ft Y-Cord with 3.5mm Stereo Plug and 3.5mm Mono Plug on One End and RJ11 Plug On the Other Comes in a poly bag that measures approximately 5.5 x 1.5 x 1.5 inches Weight 0.15 pounds