I'm thinking about Japan Technical Conformity Certified Bluetooth Keyboard. Which devices are certified? Zoe February 13, 2023 07:53 Updated Our K1, K2, and K8 are Japan Technical Conformity Certified. Related articles What should I do if my keyboard keys have a double-click issue, require multiple presses, or require extra force to work? Is the 2.4GHz wireless communication for Keychron 2.4 GHz enabled keyboard (ie: K Max/V Max/Q Max/Q HE etc.) encrypted? Why is a letter spamming or typing delayed? One key does not work/register/input properly. Keystrokes are very delayed/repeat randomly/have a huge lag/latency. It occurs both in wired and Bluetooth mode.