TyeinGo Lung Exerciser Device, Breathing Trainer - 6000ML Inhale Volume Measurement, Equipped with Ball Flow Rate Indicator & Scale Indicator Wostar You can appreciate their brightness

You can appreciate their brightness and colorfulness

model number: YH-C-LY-8123

50 mg GABA (gamma-aminobutyric acid)

the voltage of the aquarium heater is 100-120V/50-60HZ

TyeinGo Lung Exerciser Device, Breathing Trainer - 6000ML Inhale Volume Measurement, Equipped with Ball Flow Rate Indicator & Scale Indicator Wostar You can appreciate their brightnessBrand: TyeinGo Color: Transparent blue Features: Enhanced Breathing Training: Elevate your respiratory fitness with our Lung Exerciser Device, a versatile Breathing Trainer designed for practicing slow, deep breaths. Improve oxygen flow and lung expansion effortlessly. 6000ML Inhale Capacity: Suitable for all ages kids, adults, and the elderly. This Inhale Lung Exerciser allows a comprehensive assessment of lung health and effective lung training,