Shop › Omron RS4 Wrist Blood Pressure Monitor | Two Users Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Omron RS4 Wrist Blood Pressure Monitor | Two Users £41.99 Wrist blood pressure monitor with positioning sensor, irregular heartbeat detection and memory for two users. Add To Cart Added! Wrist blood pressure monitor with positioning sensor, irregular heartbeat detection and memory for two users.