Digital Blood Pressure Monitor & Oximeter 2IN1 Function Fingertip Blood Oxygen Saturation Sphygmomanometer With Strap Lanyard

♥ Packing box: Monitor + manual + hanging rope♥ Use New 1.5V alkaline battery AAA (not include)♥ LED Display♥ 1 Function: Oximeter ♥ 2 Function: Sphygmomanometer♥ Make sure the battery is positive and negative.Tip: Install the battery correctly according to the battery symbols "+"and "-"at the bottom of the product. 【Do not follow the spring direction】

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