NEW OEM Motorola Micro USB to 3.5mm Adapter SYN2113A Original Motorola Product Motorola Model number SYN2113 SYN2113A Allows you to use a 3.5mm Headset on a Motorola Phone with No Headset Connector and a Micro-USB port only for a headset connection Only compatible with Motorola Phones - this adapter will NOT work with any Samsung or LG phone model! One end of this adapter plugs into your phone (Micro-USB port); the other is a female 3.5mm (1/8") jack.