In terms of specifications, the new O4 Air Unit Pro's 1/1.3-inch sensor camera has a 155-degree ... thus creating the world's smallest 4K FPV drone, potentially with a range of 10km (6.2 miles).

Four small coreless motors are used for propulsion, driven by tiny MOSFETs, and the whole assembly is run via a teeny 220 mAh lithium-polymer battery. Oh, and there’s an FPV camera so you can ...