It uses Kailh's new Choc PG1350 low profile switches, has an aluminum alloy frame/plate, a lightweight software driver, and customizable backlighting all at a great price point.I recently purchased a Havit HV-G85 USB controller and am having problems getting to to work. The HAVIT HV-KB390L is a new low profile mechanical keyboard based off the 87-key TKL form factor.