Zebra ZQ521 Mobile Thermal Label Printer ? Bluetooth USB ? Fully Tested ? No Battery Key Features: Powers on, boots successfully, and prints clean self-test labels (see photos) Verified printhead is in good working order ? Printhead test: OK, no missing lines Bluetooth 4.1 enabled and recognized ? connects to supported devices Matching serial number and configuration printout for buyer confidence Up-to-date firmware OS: 7.0.1, no sensor or RAM errors Genuine Zebra ? not a clone or aftermarket unit Condition: This printer is in tested working condition with visible cosmetic wear from normal field use, including scratches and scuffs on the housing (see all photos). The latch and buttons are intact and functional. Please note: This unit was tested with a battery to confirm functionality ? battery is NOT included in this sale. Buyer will need their own compatible battery and charger. No charger, cables, or other accessories are included. What?s Included: Zebra ZQ521 mobile thermal label printer Printed self-test configuration label What?s Not Included: Battery (buyer must supply their own) Charger, cables, or other accessories Unit Details: Model: ZQ521 Serial Number: BARBC204212032 Bluetooth MAC: 58:93:D8:32:33:1D Firmware: v7.0.1 Official support page: https://www.zebra.com/zq521-info Shipping: Ships fast and securely packed via USPS Priority. Please see all photos for exact condition and proof of testing. Feel free to message with any questions ? buy with confidence!