NANAZ Earphone/Cute Earphone/ Panda model Gm-217 3.5mm Jack Hi-fi Stereo Retractable Earphone/ Cute Earphone for Ipod , Ipad , Iphone , Mp5 , Mp4 , Mp3 Bilateral stretching, telescopic headphones with cartoon boxes Headphones fold after only about 6 cm X 4 cm size, convenient to carry. On both sides of the telescopic line all away after about 80 cm, stretch at the same time, will automatically withdraw, please don't overstretch Telescopic headphones, fashionable, applicable to all 3.5 jack's cell phone& computer.Cartoon headphones with retractable reel can receive a long wire, makes the process of listening to music more comfort and convenience.Can free to adjust the length of the cables, to avoid wind headphones line. Both sides together to pull back automatically, not only side of stretching, if only stretching, please pull the other side out of the same length, as long as both sides, to stretch on both sides, will automatically go back.For mobile phones and computers.