Hands Free Corded Ear Piece Headset (PTT Push to Talk) for Samsung Z400 / LG LX400 / Sanyo PRO200, PRO700 / Kyocera M1000 / Motorola Nextel i930, i870, i835 , i850, i855, i560, i760, i355, i265, i275, i605, i730, i733, i710, i720, i740, i530, i205, i315, i325, i305, i830, i833, i836, i860, MOT-i215, I570, IC602, i880, ic402, ic502 , i670, i580, i285, i415, i450 Hands Free Headset On/Off Switch will Function on Phones that support this Features Be Safe and legal Supports Push to Talk (PTT) Comfortable to wear