Backbone modifications. There are many different backbone
The new Backbone One controller is available now for iPhone and
Backbone One Gen 2 Unboxed, Case Compatible!
BACKBONE One Mobile Gaming Controller for Android and
New 2nd gen Backbone One USB-C controller launches today
BACKBONE One Mobile Gaming Controller USB-C Android IPhone Edition
Backbone One PlayStation® Edition - USB-C Game Controller
Backbone One Review - IGN
2nd Gen Backbone is compatible : r/GalaxyFold
Backbone One Playstation Edition Gen 2 for Iphone 15 & Android
Backbone One Review - IGN
Backbone One PlayStation® Edition - iPhone Game Controller