Color LCD, Handheld Rechargeable Bluetooth Spirometer, Lung Monitor PC Software Beauty Tools & Accessories Upper material: synthetic leather

Upper material: synthetic leather

Working frequency: 110-205KHz

Packaging size: 9

66GHzStorage Type: Flash StorageStorage Capacity: 64GBScreen Size: 10

Size: S/M (For chest circumference 80-97cm) / L/XL(For chest circumference 97-109cm) (Optional)

Color LCD, Handheld Rechargeable Bluetooth Spirometer, Lung Monitor PC Software Beauty Tools & Accessories Upper material: synthetic leatherIntroduction The SPIROMETER is a hand held equipment for checking lung conditions, adopts the infrared signal acquisition mode for measuring items related to FVC, and is applicable for hospitals, clinics, and family routine tests. Functions Forced Vital Capacity (FVC), forced expiratory volume in one second (FEV1) to forced vital capacity (FVC) ratio (FEV1 FVC), peak expiratory flow (PEF), forced expiratory flow at 25 % of FVC (FEF25), forced