Professional IEM Earphones Letshuoer S08. The earphones come with a 13mm magnetic planar driver. The earphones are known for their quality and come with two outputs, 3.5mm and 4.4mm. The earphones do not come with their original box, but they come with a second case shown in the picture, and the earphones do not come with additional ear tips. Selling for offers, please do not lowball.