But one gadget that truly sets the bar high is a drone ... with two 3.7-volt 1800mAh lithium batteries, which provide up to 30 minutes of total flight time (15-18 minutes per battery).

It’s an odd thing to suddenly realize you need a drone. Just a few years ago ... and a carrying case. The 3.7-volt battery takes 45 minutes to charge via a supplied USB dongle, and is good ...