Amazon.com : Yueeng 14 Parameters Urine Test Strips
20 seconds needed to know your physical condition with Yueeng test strips. Quick test and easy understanding features, to be the best choice for you. How To Use. 1. Immerse the strip into urine (pee) sample for 1-2 seconds; 2. Hold strip horizontally so color pads do not bleed onto each other, still and wait 15 seconds; 3.
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