Stereo headphones are specifically built for young students with safety as its first concern. Adjustable headband provides a comfortable fit for extended wear. Permanently attached cord with a reinforced ""strain"" connection prevents it from detaching for lasting use. Right-angle plug resists accidental pullout. Noise-reducing earcup lowers ambient noise so the volume does not need to be played at high levels. Rugged, ABS plastic earcups resist breakage in high-use situations. Leatherette ear cushions are replaceable to maintain sanitary use. Volume control is set from the audio source for student safety. Headphones are perfect for classroom Storytime, library and computer uses.- Red headphone deliver optimum sound quality.- Wired headphones offer high fidelity sound.- 3.5 mm plug is compatible with IBM, iMac and Mac systems.- 5.5' straight cord for ease of use.- 25 Ohms impedance reproduce clear audio levels at minimal power.- Circumaural shape provides optimum comfort and noise isolation.- Sold as 1 Each..