The Printer.The printer is a sturdily built lil machine. Small but powerful. Understandably it has to be plugged in to work, but it's small enough you could easily find a spot for it, or take it with you where you need to go. If printing via mobile you can print via Bluetooth, but printing via computer you have to use the included cables.Pressing the buttonnonntop of the printer for different lengths causes different actions, from printing a test page, pausing or skipping printing all the way to a factory reset.One thing that wasn't instantly clear to me was that you have to ensure the printer 'identifies' the label when you load it, by holding the top button down until the light flashes blue twice. It might be because I don't have to do this on my other printer, but once I got used to it it became second nature. This is another fantastic thing about this machine; if a label size (up to 4 inches wide) can fit, you can use it with this printer.Admittedly I did not have the easiest start with this printer. I intended to primarily use it via the Android app and it would print off centre, before it began not printing at all (though the self test page would still work, so I knew the printer -worked-)It did however mean that I had lots of experience with the customer service team, and they were all fantastic, polite, and in the end helped me to get the printer working. (Installing the app on my laptop and using that to print worked, and then somehow kick-started printed via my phone to work). Having read other reviews of this machine where people are able to use it from the get go, I very much think this was a rare incident.Labelife Mobile:Having used Print Master for my other Phomemo printer (M221) I had high expectations for this app. What I should have remembered is my other label printer is more for small business/craft use whereas the BT-241 is primarily for shipping labels and what feels like more 'professional' work. I feel the app reflects this. Unless I missed something I was unable to change the font when writing text, but really this is my only bug Bear. (That and when you search for a label size the search text is white, so it's very difficult to see what you are typing, but I prefer scrolling down the label options.)Being able to import PDFs and images is very easy. There are so many different label sizes to choose from (and you can manually enter the size you'll be using too) so it feels you really can use any size label that can feed into the machine.Any labels you create can be saved so that if there is something you would want to print frequently it's easy to do. You can also name these files to make them easier to find.I briefly used the computer software too and it seemed equally as easy to use. The computer app does include different font options, which was nice, but it's a shame they're not in the mobile app.The software was super simple to install and I didn't need to separately install drivers for it to work (I believe you only need to install the drivers if you want to be able to access the printer via the 'print' function of your computer? If you plan to just use the app you don't need to do this.)Conclusion:Despite a rocky start this is a fantastic little printer. If you sell on eBay, Etsy etc it will be a solid yet low cost addition to your business. Not only this but being able to use almost any size label that will fit in this machine (up to 4 inches wide) means it can be used for an incredible range of uses.Pros:Easy to use Apps on mobile and computerLoads of label optionsThermal so no pesky ink to worry about.It's purple!Wonderful Customer Service team to help out.ConsRequires Mains powerWould have liked different fonts in mobile app