New design 2.4G wireless headphones 1,invisible mic 2,10m distance 3,Built-in Li- ... CE and ROHS New 2012 design 2.4G wireless headphones Features of 2.4G wireless headphone2.4GHz uncompressed sound intact 2-way transmissioninvisible ... use it listen music,talking etc Packaging of 2.4G wireless headphonePVC box with color card New 2012 design 2.4G wireless headphones