... Voice. 3: compatiable with iPhone, iPad. 4: OEM welcome. anti-radiation retro handset for mobile, cell phone, Iphone, Ipad:With Volumn Control functionEliminates over 99% of ... use other functions while calling4Receiver and microphone function5Volum control, button anti-radiation retro handset for mobile, cell phone, Iphone, Ipad (116DI)