GBA SP Headphone Adapter,3.5MM Headphone Earphone Jack Adapter Cable Compatible with Gameboy Advance SP.GBA SP headphone adapter enables your GBA SP to use a standard headphone jack to get full stereo sound, allows you to use standard 3.5mm audio port earphone on your GBA SP Console.You can use your standard 3.5 mm earphones on your GBA SP with gba sp headphone adapter connection.GBA SP Headphone Adapter: 10cm / 4inches.Connector: 3.5mm, Black Color.