Upgraded Digital Peak Flow Meter for Asthma Adult, Kids w/Green LCD Display, Home Spirometer Testing Device with Bluetooth APP for smart asthma monitoring auspowers_batchfour 375" Shaft Diameter

375" Shaft Diameter

Steering audio controls will no longer work- additional adapter required

The steel thread rolling screw for use in plastic has a black oxide finish and a pan head with a Phillips drive

2 in 1 DesignThe 2-in-1 stylus pen has a clear disc tip at one end that lets you see the precise pointing position on the screen

Upgraded Digital Peak Flow Meter for Asthma Adult, Kids w/Green LCD Display, Home Spirometer Testing Device with Bluetooth APP for smart asthma monitoring auspowers_batchfour 375" Shaft DiameterUpgraded Digital Peak Flow Meter for Asthma Adult, Kids w Green LCD Display, Home Spirometer Testing Device with Bluetooth APP for smart asthma monitoring Product Features Upgraded home electronic Bluetooth spirometer Uses air pressure sensor technology for accurate and reliable readings, offers Bluetooth capability to transfer data to your device to help you monitor your lung condition at home at any time. Easy to read Quick 1 second readings after