Steamed Bun KeyboardThe PBT Sublimation Three Mode Bluetooth Wireless Small Steamed Bun Pen Office Keyboard is a quirky and functional product concept that combines unique aesthetics with versatile features, appealing to professionals, students, and casual users. Here's a detailed breakdown: Three Mode Connectivity: Bluetooth: Supports up to three devices with seamless switching. 2. 4GHz Wireless: Includes a USB dongle for stable, low latency connection. Wired Mode: USB