goBulk Hi-Fi Stereo Sound Headphone (H5, Bulk Packing) Ideal for Schools, Libraries, Testing, Training, Educational Use, Hospitals, Medical Offices, Dental Offices, Spa, Fitness, Music Listening, Museums and much more. Works with iPads, Chromebooks, Tablets, Laptops, PC, iMacs, Desktop Computers, iPhones, Android Phones, Smart Phones, iPods, MP3 Players, and any audio devices that use 3.5mm connection. Hi-Fi Stereo Sound; 3.5mm Gold Plated Stereo Right Angle Plug; 4.9 Feet Cord Length Packaging: Bulk (Individually Wrapped in Clear Plastic Bag) Certification: CE &RoHS