Sale Wishlist Compare Choose Options McKesson Consult™ Hb McKesson Consult Hb USB Cable USB 2.0 hub, Supply Current: Max. 100 mA from USB host/Max 350 mA from USB power supply For use with the McKesson Consult Hb Hemoglobin Testing System, MFR # 900MCKSP 900-901MCK Pack of 1 $30.27