Fangrui Product Details Cardkb V1.1 Is A Card-size 50 Key Qwerty Keyboard. Adpots Atmega8a As The Mcu, Communication Port I2c, And One Rgb-led Indicator. Full-function Keyboard, Multi-key Combination. Grove Interface, Support Uiflow And For Arduino. Two Lego Compatible Holes. Applications: Keyboard Peripherals For M5stack Core. Color: White Material: Plastic The Printing/appearance May Vary From Batch To Batch, But It Will Not Affect The Use; The Actual Product May Have Color Difference Due To Different Light Or Display. Package Contents: 1x Matrix Keyboard 1x Grove Cable (color Is Random, No Specification Accepted) Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.