Kelvenix Rechargeable LED Wrist Blood in Black

It uses a three-color display, and different colors indicate whether the user's blood pressure is normal. -It uses a wrist measurement design, which is convenient for measurement, good fit, and reduces errors. -One user can store 99 sets of memory values (up to 2 users) to manage blood pressure scientifically. -There is a voice prompt during the measurement process to prevent the elderly from being unable to measure. -Built-in 300mAh rechargeable battery, it can standby for 30 days after fully charged and can be used more than 100 times. | Kelvenix Rechargeable LED Wrist Blood in Black