说明

• Feature: Breathing activity package to mission your self for larger exercise and improve overall patience Vital capability - it helps to broaden and upgrade mandatory means without the risk of having to do many of aerobic activity and burning energy The portable machine - Adventure lung respiration practising tool is awfully compact Easy to hold The adjustable resistance dial makes the best assignment more difficult, and may exercise more intensely according to your wishes Specification: Material: silicone Packaging list: 1pcs

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