Product description


The device will enter a slow phase after about 30 seconds of pumping. At this time, if combined with arm pressure, it can becompressed to 50%, and if combined with kneeling pressure,it can be compressed to 30%.






The device will enter a slow phase after about 30 seconds of pumping. At this time, if combined with arm pressure, it can becompressed to 50%, and if combined with kneeling pressure,it can be compressed to 30%.




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