2IN1 Sphygmomanometer & Oximeter Fingertip Pulse Blood Oxygen Saturation Meter SpO2 PR LED Display Health Blood Pressure Monitor

♥ Packing box: Monitor + manual + hanging rope♥ Use New 1.5V alkaline battery AAA(not include)♥ LEDDisplay♥ 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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