Plantronics MO300 QD to 3.5 mm Adapter for Smartphones like an Apple iPhone with a 3.5mm jacks for use with any Plantronics H-Series headsets
Should also be compatible with any cell phone equipped with a 3.5mm stereo headset jack. We offer a 30-day money back guarantee if they don't work.
Note: Apple iphone XS, XR, iPhone 11 needs a 3.5mm adapter from Apple (Apple no longer include it in the newer iPhones)
Note: this cable is only about 18 inches long. If you need longer length, add extra length with a Plantronics "Lightweight" Extension Cable 10ft
Note: If you're looking for an Alcatel IP-Touch 3.5mm cable. Go Here instead