Buzz! USB Wired Buzzer Controller Set of 4 - Playstation 2 & 3 PS2 PS3 - No Game | eBay
DEC Software - Wireless Buzzers
What we can do with the old PS2/PS3 Buzz devices – www.MrAddon.com ®: Jira & Confluence Administration Support Blog & Ethereum Dev Blog – [www.MrAddon.blog] ®
Official Sony PlayStation PS2 PS3 BUZZ Quiz Controllers USB 4 Set Trivia Buzzers | eBay