By subscribing into the newsletter, I agree to OMRON's Terms and Conditions and Privacy Plan, and recognize that I may unsubscribe from the e-newsletter at any time. The arm cuff that comes together the device will healthy wrists which might be between 5 ¼ inches and 8 ½ inches circumference. https://titusjygrb.59bloggers.com/32646005/omron-bp5450-options