Motorola Micro USB to 3.5mm Stereo Headset Headphones Adapter Earphones Plug Earbuds Earpieces Jack Converter for T-Mobile Samsung Smiley T359 and other Compatible Devices Micro Usb to 3.5mm Headset Adapter. This adapter allows connection with all 3.5mm headset. Lightweight, compact, stylish, convenient. Convert your cellphone's micro USB audio output to 3.5mm output. Connectors: micro USB Male to 3.5mm Female.