Wire Handset Receivers for a Mobile Phone

The old school phone has an sound switch to further improve compatibility with different brands of smartphones. Works with most smartphones.The wired telephone has a 3.5mm sound plug that is compatible with a wide range of smartphones on the market.Wired telephone adopts one touch answer button, press it to answer or up the call.Wired telephone can use the cell phone volume control slider to adjust the listening volume.Wired telephone features retro styling; reduced cell phone radiation; superior sound quality; 9 feet coiled cord for added flexibility.