Oki are rubbish. Tried these in the UK as well and results are awful. Contacted my local engineer 5 times and still no luck. Their videos are all ok as these are heavily edited or they're masters at it. Customer service of OKI in the UK is really bad as well. Definitely won't recommend OKI. Try and asck questions on their RU-vid, Facebook or Instagram videos and you'll see that they never reply to tricky questions because thry know that they have issues.
