1. One Touch Operation: Cell phones handsets have a one touch answer button, press to answer or ring off the phone.
2. Volume Control: Mobile phone telephone receiver has cell phone volume control, slide to adjust the listening volume.
3. Sound Switch: Retro telephone receiver has an sound switch to further improve compatibility with different brands of smartphones.
4. 3.5mm Sound Plug: Retro telephone headset has a 3.5mm sound plug, which is compatible with various smartphones on the market.
5. Stable Perfromance: Cell phones handsets feature retro style, reduced cell phone radiation, and superior sound quality. 9 feet coiled cord for added flexibility.

Spec:
Item Type: Retro Phone Handset
Material: ABS
Compatibility: Suitable for All Smartphones and Computers with 3.5mm Headphone Jack

packing list:
1 xRetro Phone Handset