5.0 BT/2.4 Ghz/Wired Three Modes 80% TKL Wireless Gaming Keyboard Here comes Redragon's innovative 1st-Gen 3-mode connection technology, USB-C wired, BT 3.0/5.0 & 2.4Ghz wireless modes which advanced your user experience to the next level in all fields. Built-in upgraded 3.0/5.0 Bluetooth and 2.4Ghz wireless chips, K621 offers a real-wireless and no-latency connection for all devices in the market. Easy to toggle among different devices in 3 modes set no limits of possibility. 80% TKL Low-Profile Compact tenkeyless 87 keys in a low-profile design, offer more space for mouse movement and shorter actuation distance. Provides precise performance at half the height while retaining white simplicity style.