BeskrivelseIbrain Air Tube headset with low EMFAir Tube earphones especially designed to reduce mobile phone radiation. Low EMF wire specially designed to lower electricity and magnetic fields using the best possible modern technology.Wood near the earAirtube channel with sound.Airtube channel with no electricity.The manufacturer Ibrain has patents in 8 different countries for inventing radiation free headsets.Material: Plastic.Ear-Cushion: Sponge/ Cloth/Silicon.Earphone around the ear: Ebony wood.Metal rings: Coloured aluminium.Wire: Copper.Use:Mobile Phone and other mini jack connections.Portable Media Player, Mobile Phone, Aviation, Computer, DJFunction:Microphone, Noise CancellingFeature:Radiation Free, Noise CancellingMaterial:woodenRated Frequency:2.4GHzPlug:3.5mm*4Colors:black.The plactic tube is also black.