1、Operation: Cell phones handsets have a one touch answer button, press to answer or ring off the phone. 2、Raniation Proof: Retro style cell phone receiver reduces cell phone radiation with excellent sound quality, also suitable for computers. 3、5mm Sound Plug: Retro telephone headset has a 5mm sound plug, which is compatible with various smartphones on the market. 4、Stable Perfromance: Cell phones handsets feature retro style, superior sound quality. 1m coiled cord for added flexibility. 5、Wide Scenes: Improve compatibility with different brands of smartphones. A great gift for your parents, grandparents, or loved ones. 1 x Retro Phone Handset  Item Type: Retro Phone HandsetMaterial: ABSCompatibility: Suitable for All Smartphones and Computers with 3.5mm Headphone Jack