How many game cards and Micro SD cards can the case hold?

The case includes a game card library that holds up to 5 game cards, and the Micro SD card case holds 2 Micro SD cards.

Which Nintendo Switch systems is this travel case compatible with?

It is compatible with Nintendo Switch, Nintendo Switch Lite, and Nintendo Switch OLED Model.

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RDS Game Traveler Deluxe - Deboss Zelda Breath of the Wild - NNS42Z

Switch Accessory: Case - RDS Game Traveler Deluxe - Deboss Zelda Breath of the Wild: Officially Licensed by Nintendo
Nintendo Switch Licensed Game Traveler Deluxe Travel Case for Nintendo Switch, Nintendo Switch Lite, or Nintendo Switch OLED Model. Features a built-in viewing stand to easily adjust to your desired viewing angle. The Legend of Zelda Deluxe Travel Case is designed for all Nintendo Switch Systems. Includes game card library that holds 5 game cards along with a Micro SD Card Case to hold a total of 2 Micro SD cards.
Hardware Compatability - Nintendo Switch, Nintendo Switch Lite, or Nintendo Switch OLED Model
Viewing Stand - Built in viewing stand to easily adjust to your desired viewing angle.
Game Card Cases - Each case holds 4 Nintendo Switch Game Cards and stores them neatly beneath Nintendo Switch System
Micro SD Card Cases - Each Case holds 2 Micros SD cards
Carrying Handle - Comfortable Carrying handle for travel
Nintendo Switch Case - Officially Licensed