... withMP3 players and all other protable and stationary audio equipment with 3.5mm plug.4. non battery operated5. Provide different color according ... products : headphone, interphone, rc toy(car,helicopter,boat etc) and Ele accessories.4.GMC supplier .5.innovative,quality and safety ... product quality. use for: Headphone can Play with any audio player which has 3.5mm audio jack, such as TV, DVD, computer ...