GameCube – Game Boy Advance link cable - Wikipedia
Gameboy Advance Micro Charger Nintendo AC Adapter Game Boy - Etsy
GBA SP Gameboy Game boy Advance SP Earphone Adapter Black (allows you to use your standard earphone on GBA SP)
For Nintendo GameBoy Advance To Gamecube Link Cable Game Boy Advance Adapter New | eBay
Retro-Bit Super Retro Advance Adapter GBA to SNES - Super NES: super_nintendo Everyone Retro-Bit RB-SRA-2067 2014-01-30T00:00:01Z 00849172002067: Video Games: DealOz.com
Game Link Cable Adapter for GameCube to Game Boy Advance GC TO GBA SP 787446573014 | eBay
Game Boy Advance SP Power Adapter | Hand Held Legend
iGo itips A13 - Power connector adapter - for Nintendo DS; Game Boy Advance SP - Walmart.com