Inside Gadgets has developed a unique Bluetooth cartridge priced at $89 USD, allowing Game Boy Advance users to control a Nintendo Switch. The GBA Bluetooth TX Cart is also compatible with Game Boy Advance SP, Nintendo DS/DS Lite, GB Micro, and the Analogue Pocket. Using the Raspberry Pi Zero 2 board, the device can connect with the Switch, Switch Lite, Windows 10, macOS, Android, and Raspberry Pi, as well as 8BitDo retro receiver support. With a fast 2ms refresh rate, users can enjoy minimal input lag and easily map GBA controls to their device.