I wouldm't think so. The long delivery time shows that they aren't sending it from anywhere near the UK
Ali makes no mention of it but the processors integrated graphics do support 10bit hevc h.265. The site only says this: Decoder Format: H.264,H.263,HD MPEG4
Will it make a difference if purchased from Gearbest (If becomes available)?
And import duties and if it's coming with Royal mail, there'll be a handling charge! No way of avoiding these as Aliexpress will put the cost of the thing on the package. Even if it's sent by the cheapest method (20-40 days!) My only Beelink box just suddenly stopped working from some supplier in China. They kept asking me questions about it. I gave up in the end. It was about £50. Some Chinese suppliers have agents in the West to avoid these things, but not Aliexpress it seems
If that bothers you I notice that the NUC is £163 on Amazon. https://www.amazon.co.uk/Intel-Computing-Barebone-integrated-Processor/dp/B07CM15S67/ref=sr_1_1?ie=UTF8&qid=1537705292&sr=8-1&keywords=nuc+j5005 No ram or storage though