8Bitdo Zero 2 Bluetooth Key Chain Sized Mini Controller for Nintendo Switch, Windows, Android and Macos (Pink Edition)Super mini sized wireless bluetooth controller, special designed for 2D games. With the size of 2. 9"x1. 5"x0. 6" and the weight of 0. 74oz, it can be taken anywhere you go and be played at any time Built in 180mAh Li on rechargeable battery, 8 play hours with 1 2 hour charging time Compatible with Nintendo Switch, Windows, Android, macOS, etc. And this little remote works perfect for Anki! Very comfortable, can use in one hand which is nice