medium children's wear (7-12 years old)

Size: closed crotch 40

(Comes with ink cartridges)

width  thick   40/41  107CM  41CM  13CM   38/39  103CM  39CM  12CM   36  93CM  36CM  10CM

The brightness is fully dimmable from 1% to 100%

Color LCD, Handheld Rechargeable Bluetooth Spirometer, Lung Monitor PC Software Bathroom Essentials medium children's wear (7-12 yearsIntroduction 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