So, I play recorder, and I own several mid-range ones (those cost in the hundreds, whereas pro, handmade instruments can cost well into the thousands), as well as a Yamaha Ecodear and Aulos recorders (costs around $30 each), and I've tested the wood Hohner one. Given that, for a bit over $20, getting a wood recorder that actually plays decently is amazing. The one I received plays in tune, and I can easily play it for the two full octaves, and a bit above, and alternate fingerings. It's not very rich on the low notes, and, like the plastic ones, probably because the wood is wax-impregnated and varnished, does produce a very, very slight buzziness, which doesn't happen with my other wood recorders. Looking inside at the block, I saw that it was not smooth. But I'm just being very detailed and accurate in my recorder review. This plays fine, and if you don't have a lot of money, this is a good one to buy.
I saw the one review where it says the instrument plays out of tune. That is likely a quality control issue, and I suspect that production can produce a lemon out of a few thousand, so be aware that may happen. However, the one I received is surprisingly good. I also can't say anything yet about the longevity of the instrument. I know for a fact that Yamaha plastic ones will last for decades if well care-for, because I still have the one I played when I was a child, and it still plays well. I have a feeling this one may deteriorate after time, but if it lasts even 5 years, I'd say it's a decent purchase. That will give people time to learn how to play well enough for an upgrade.
Edit 8/10/19: I've played around with this for a while. I think even my Yamaha Ecodear is still better in terms of tone and dynamics compared to this Eastar wood recorder, but it's still a decent buy for a beginner just learning.