LCD Display Finger Pulse Oximeter with Bluetooth Function

Product Feature:ConvenientCompact appearance, more convenient to carry.A button to wake up, even the elderly can also be used simply.Two 1.5V AAA batteries can be used continuously for more than 15 hours, more environmental protection and energy saving.Resting Heart RateHeart beats per minute while at rest tells a lot about your internal health and fitness levels. It is a strong indicator of your risk for heart problems.Blood Oxygen LevelYour body requires a very precise balance of oxygen in the blood. For your body to perform optimally, blood oxygen levels should be above 95%. BluetoothCan be connected to the phone or pad via Bluetooth , and through the APP data analysis and preservation.Technical Parameters:  Operation System iOS;  Android  SpO2 Detection scope: 35%-100%Accuracy: ±2% 80%-100%±3% 70%-79%  Pulse Rate Rage:25-250BPMAccuracy:±2bpmResolution:1bpm  Bluetooth Support both   Bluetooth 3.0 and BLE 4.0  Battery Type Two  1.5V AAA alkaline batteries  Service Life Over 10000 times  Display LCD  Working Voltage D.C.2.2 V~D.C.3.4V  Operation  EnvironmentTemperature: 5ºC - 40ºCRelative humidity: 15% - 80%Air pressure: 86Kpa - 106Kpa  Size 58 (H) × 34 (W) × 30(D)mm  Weight50g Include batteries   /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1