called the nanoheat wireless heated mug , the $ 39.99 -lrb- £ 26 -rrb- gadget can maintain the temperature at around 71 °c -lrb- 160 °f -rrb- for up to 45 minutes - giving you plenty of time to drink it all .
the mug weighs a little over one pound -lrb- 454g -rrb- and can be charged wirelessly or using a traditional usb cord .
the team has raised more than $ 48,900 -lrb- £ 32,330 -rrb- of its $ 120,000 .