A cloud gaming controller that picked up a “Best of CES” award from Tom’s Guide is now available to buy from Amazon in the US.

The device is the Serafim S3, a controller designed for cross-platform support, a feature demonstrated in a video showing it running Genshin Impact on an iPhone via a cloud gaming service. The controller is MFi certified for Apple devices and also supports PlayStation, Xbox, Steam, and Android.
Serafim highlights several technical features designed to appeal to gamers. The S3 is equipped with drift-free Hall Effect joysticks, which use magnets to detect movement, thereby avoiding the physical wear that leads to the ‘stick drift’ problems common in other controllers. The company also points to zero-deadzone triggers and interchangeable ergonomic grips for personalised comfort.
To mark the Amazon launch, Serafim is partnering with the video game commerce company Xsolla to attend TwitchCon San Diego 2025. The event, which runs from October 17th to 19th, will feature the Serafim S3 at booth 2125-SW in the San Diego Convention Center. Attendees will have the opportunity to participate in hands-on demonstrations, on-site activities and giveaways.
According to the company, the name Serafim is inspired by the highest order of angels in some mythologies, chosen to symbolise excellence and victory in gaming.