Duo Bundle - Backbone One - USB-C (2nd gen)

backbone.com

Brand 'Backbone' matches exactly, Model 'Backbone One' matches exactly, Controller color (black) matches exactly, Button layout, D-pad, analog sticks, and accent rings match exactly, Overall form factor and design are identical to the source frame, Consistent with the 'Xbox Edition' visual characteristics, Official brand retailer (backbone.com)

Backbone One Mobile Controller

Newegg.com - Simple Cell, Inc

Brand 'Backbone' matches, Model 'Backbone One' matches, Controller color (black) matches, Overall form factor and material match the source frame, Consistent with the 'Xbox Edition' visual characteristics (black controller)

Backbone One Xbox Mobile Gaming Controller For Iphones 14 Or Older

eBay

Brand (Backbone) matches exactly, Model ('One Xbox Edition') matches exactly, Color (black) matches exactly, Xbox-style colored A/B/X/Y buttons match, Red ring around left analog stick matches, Overall design and form factor match