@geekculture: Always keep your cool. Whether it's rising temperatures, broken down air conditioning in malls or trains, or simply living in a tropical climate, portable fans are now an essential carry-on! Let's test out the performance and endurance of two models from newcomer Dyson and the popular JisuLife, as the compact JisuLife Handheld Fan Ultra2 takes on the elegant Dyson HushJet Mini. Which one blew us away? #JisuLife #JisuLifeUltra2 #Dyson #DysonHushJetMini #Tech