SHOP › Omron M2 Basic Upper Arm Blood Pressure Monitor HEM-7121J-E Image 1 of 2 Image 2 of 2 Omron M2 Basic Upper Arm Blood Pressure Monitor HEM-7121J-E £21.99 Sold Out Omron M2 Basic (Hem-7121J-E) Upper Arm Bp Monitor. Genuine product. Free UK delivery. Sold Out Added! Omron M2 Basic (Hem-7121J-E) Upper Arm Bp Monitor. Genuine product. Free UK delivery.