Testo Mobile Bluetooth®/IRDA Printer (0554 0622) This is Testo's current universal wireless printer, supporting both Bluetooth and IRDA infrared connections across a wide range of Testo instruments. It's the correct printer for the Testo 300+ — a key upgrade option for anyone with the Standard Kit, which doesn't include a printer — and is also compatible with the current 2nd generation Testo 310. The lithium-ion rechargeable battery gives over 6 hours of use, more than a full working day at normal service frequency, and the printer comes ready to use out of the box with a paper roll and charger included. Key Features & Benefits Bluetooth® and IRDA Wireless Connectivity: Two wireless protocols covering the widest range of Testo instruments. 30mm/s Pr