inballp Portable Scale Indicator Expiratory Flow Monitor Useful Handheld Asthma Monitor Multi-functional Breathing Trainer

Condition: brand new and good quality

Color: As shown.

Material: ABS.

Size: 15 x 5 x 3 cm(5.91 x 1.97 x 1.18 in).

Features:

The spirometer is a portable, hand-held device that cab measure your ability to exhale air from your lungs and provides an accurate picture of airway ventilation.

Perfect for Athletes and Exercise, oxygen users

Dual flow range accurately measures for both adults & children. Instant readings track changes in air flow for detection of asthmatic issues.

Made of material for long lasting use. Assists detection of pending attacking.

Assists in early detection of by accurately measuring .

Package Included: