Donut is designed for US domestic users, consists of 5 Type A/B (US type) sockets. The exterior design is sleeker and slightly lighter at 110g.
Bagel is designed for International users, consisting of 4 Universal Sockets (details and country list in the Campaign page) and 1 US type socket. The exterior is more roundish at a weight of 120g.
Both Donut and Bagel have 2 USB ports and an integrated 92cm cable cord.