The 8BitDo Micro Controller is a Bluetooth gamepad with a 16 different inputs that you could fit into your back pocket. It costs $24.99.
8BitDo Micro Bluetooth Gamepad
Weighs 24.8 grams featuring 16 buttons. Ultra-portable and versatile. Supports firmware update Mode switching button Supports button mapping in 8BitDo
8Bitdo Micro Bluetooth Gamepad Pocket-sized Mini Controller for Switch, Android, and Raspberry Pi, Supports Keyboard Mode (Blue)
8BitDo Micro controller: where to buy the Switch and Android controller - Polygon
8BitDo Micro controller: where to buy the Switch and Android controller - Polygon
8BitDo Micro controller: where to buy the Switch and Android controller - Polygon
8Bitdo Micro Bluetooth Gamepad Pocket-sized Mini Controller for Switch, Android, and Raspberry Pi, Supports Keyboard Mode (Blue)
The Best Nintendo Switch Controllers in 2024
Weighs 24.8 grams featuring 16 buttons. Ultra-portable and versatile., Compatible with Switch and Android, Supports firmware update, Mode switching
8BitDo Micro
8Bitdo Zero 2 Bluetooth Gamepad Keychain Sized Mini Controller for Switch, Windows, Android, macOS & Raspberry Pi(Turquoise Edition) : Everything Else
Weighs 24.8 grams featuring 16 buttons. Ultra-portable and versatile. Supports firmware update Mode switching button Supports button mapping in 8BitDo
8Bitdo Micro Bluetooth Gamepad Pocket-sized Mini Controller for Switch, Android, and Raspberry Pi, Supports Keyboard Mode (Green)
The Best Nintendo Switch Controllers in 2024