ขาย Yoyo อุปกรณ์ออกกําลังกายฝึกความจุขนาดใหญ่สําหรับออกกําลังกาย ราคาที่ดีที่สุด

Specifications: Increase your lung capacity with the volumetric exerciser! This unit measures the volume of air you inspire and shows you how effectively you are filling your lungs with each inhalation. Used properly and regularly, the breath builder will increase the amount of air you inhale and can use in a wind instrument. It will enable you to increase the volume and pressure of air you use while playing. This should result in increased volume and greater control. Type: Breath Trainer Material: Plastic Features: Easy to Use, Breath Builder, 3 Balls Design Size: 13cm x 14cm/5.12" x 5.51" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Breath Trainer 1 x S Pipe 1 x Breathing Mouthpiece 1 x User Manual