Up for sale: Genuine Zebra ZQ521 Mobile Thermal Label Printer ? Bluetooth USB connectivity. Fully tested and verified working! Highlights: ?? Boots successfully and prints clean self-test labels (see photos). ?? Bluetooth 4.1 and USB connectivity tested ? works with iOS and other devices. ?? Very low usage ? only 17 battery charge cycles and 60 power-on cycles! ?? Battery health: Good, holds charge, shows normal voltage. ?? Current firmware v7.0.1 installed ? no sensor or memory errors. ?? All configuration, RAM, and sensors reporting normal ranges. ?? Genuine Zebra unit with intact serial numbers, FCC ID, and labels. Condition: Overall good used condition ? light signs of normal wear (see photos). The printhead test was not run, but no print defects appeared in the self-test. Buyer may run a printhead element test but prints well as shown and sold as is. No charger included ? unit only. Includes: Zebra ZQ521 printer ? no cables, no charger. The battery is installed and included. Its cycle count and health are tested and good. Printed self-test config label for your reference.