Amazon.co.jp: Razer Raiju Ultimate RZ06-02600100-R3A1-A Official Licensed PS4 Controller, Wired and Wireless Compatible, New Firmware Compatible Version : Computers
Hardware Review: Razer Raiju Ultimate - Probably the PS4's Best 'Pro' Controller, But It Ain't Cheap | Push Square
Razer issues a firmware update to combat latency in Raiju Series of controllers | KitGuru
CronusMAX - After many weeks of testing as part of our Community Beta Program, CronusMAX brings you the first major firmware update of 2017. The main highlights for this release are support (
How To Update Firmware on Razer Raiju Tournament & Ultimate - YouTube