▪️ Set Contents - Keyball39 Body - TRRS Cable - 180-degree magnetic cable, Black - 1 Trackball - Keycaps (XDA 9009v2 Series English) - Low-profile keycaps (Chocfox CFX-Keycaps For ChocSwitch) - Key Switches - Case ▪️ Key Switch Details - Kailh Midnight Silent V2 Switch / Tactile (Quiet and provides a high-quality typing feel) ▪️ Specifications - ProMicro USB Micro B (with con-through) * The area around the USB port has been reinforced with epoxy adhesive to prevent detachment. You can easily find articles about "detachment prevention" by searching online. I have confirmed that all switches are working without any problems. Also, I have confirmed the operation in my environment, but there is a possibility that malfunctions may occur due to vibrations during shipping. Due to the nature of DIY keyboards, we recommend that those who can perform maintenance themselves purchase this product. We cannot provide support for troubleshooting or other issues related to keyboard use. Please purchase only if you understand this. Connection Type: Wired Key Switch Type: Mechanical Keyboard Layout: English