The anchor space one pro headphones are honestly really nice. They come with many of the features of more premium headphones and at comparable price, they start up and pair with the device very quickly and I've tested this on iOS and android devices.The design is also quite sleek and modern, especially in the black color. It's all pretty much plastic and varying densities and hardness it does contribute to how light the headphones are, but it also makes them feel a bit low quality.All the controls are back to buttons on the headphones, of which some you can change and they're all pretty responsive with a tactile click and they also features a USB-C charging port and 3.5 mm jack, I try to use these to listen to audio over USB-C, but this didn't work out. It just ended up charging the headphones even when modifying the USB protocol on the device I paired it with so I assume the 3.5 mm jack is the only source one wired.As with some other reviews and some research online there is a sort of volume ceiling at around 70% where it feels like there is no increase when you try to go past it. I've messed around with some of the controls in the music app, the general settings and the sound core app, but none of them really changed this so I believe it's just a built-in protection for it. Personally, I'm fine with it, but for some songs that aren't as new and balanced in the audio source, it might be annoying because they might sound very low.The app gives you basic features. It's nothing too special. This is where you can modify the customizable buttons and update the headphones as well as app for the LDAC codec, which takes a moment for installation and resetting the headphones.An important part of these headphones is the adapted noise, cancellation and transparency mode, which I found to be pretty excellent. The ANC especially was good because it was able to reduce environmental sounds significantly without causing any sort of pressure issues or annoyances. The transparency mode is good, but it isn't as good as some other brands and for some objects that might be putting sound consistently in the background, there is some sort of added layer of like frequency that's detectable and I tried it out where I took off the headphones from back on and listen to try and ascertain what it was, but it might just be feedback from the mics when enabled.These are pretty well, rounded headphones honestly good to recommend. The sound is balanced with an enhanced the bass response, they have good battery life, support a couple mainstream audio codecs, and give you ANC and transparency modes at a good price. I would just wish for a couple of improvements and build quality and more options when it comes to customizing EQ in the app.