The wireless FREEDOM you"ve been waiting for. Cordless stereo headset is specially designed for iPod nano second and third generation. Simply plug the iPod nano into the exclusively designed slot and you can enjoy the music anywhere, anytime. No battery is required. These headphones enhance your experience with your iPod nano in a whole new way. Your iPod shuffle or 2nd and 3rd generation Nano will plug directly into to headphones for easy wire free listening. All other MP3 players have to use a connecting cord (included) that plugs into the bottom of the headphones.