Plug in to car lighter port .. 4 settings
Heated Travel Mug Ingenious With Car Adapter 12V
InGenious Heated Travel Mug Four Level Heat Settings and 12V Car Lighter Adaptor
Baceyong 450ml Heated Travel Mug – 12V 24V Stainless Steel Electric Cup Black
14oz Car Heating Cup Heated Travel Mug Electric Kettle for Drinking
12V electric heated travel mug used vgc
Baceyong 450ml Heated Travel Mug – 12V 24V Stainless Steel Electric Cup RRP £ 37