Love tech reviews? Follow me for hands-on insights, in-depth product tests, and the coolest innovations you need to know ...

The Polono P31S Bluetooth portable thermal label printer is available from (49% off plus a $4 coupon). The labels are crisp and sharp, and they print fast. The printer prints monochrome labels ...

Looking for something a bit neater, [sandy] built a simple pen plotter to write labels on a roll of tape. The plotter uses the usual 3D printer components ... and an optional Bluetooth module ...