Motorola 3.5mm Stereo Headset - Non-Retail Packaging - Black This headset features an integrated microphone for clear conversations and an send/end button for convenience. Enjoy your music experience with the Motorola Stereo Headset. This stereo headset will work with devices that use a 3.5mm jack. The Motorola Stereo Headset is made by Motorola and compatible with any MP3 player or mobile phone that uses a 3.5mm jack. OEM Part Numbers: SJYN0394 / SJYN0394A