Bluetooth Fingertip Pulse Oximeter Wireless Connection Can Connect Android And PCFeatures: 1. Portable to carry: easy for carrying outside、 like mountain-climbing、 hiking、      exercising real-time monitoring 2. Fast Response: unique light frequency convention SpO2 technology、      ensures stable monitoring results with 5 seconds  3. Anti-interference: reliable SpO2 monitoring can be achieved regardless     of some interferences like movement or low perfusion index 4. Accuracy: FDA approval and CE certification、 measuring accuracy within 2%  Description: Item type: Fingertip pulse oximeter Brand: Heal Force Model: PC-60B   Display Screen: 1.1" OLED with backlight   Multi-direction display: 2 directions   Support bluetooth: Yes   Measuring range(SPO2): 35-99   Pulse Rate(PR): 30bpm~240bpm   Accuracy: ±2bpm or ±2%   Operating temperature: 5-40    Operating humidity: 30%-80%   Atmospheric pressure: 70kpa-106kpa   Power supply: 2 X AAA alkaline battery   Continuous working time if new battery: About 30 hours   Supply voltage: DC 3V   Operating current: ≤40mA   Weight: App 60g (including battery)   Size: App 66(L) x 36(W) x 33(H) mmPackage Included:1 X Oximeter(Including battery) 1 X User manual  Notes: 1. Please allow slight deviation for the measurement data and make sure you do not mind before ordering.   2. The real color of the item may be slightly different from the pictures shown on website       caused by many factors such as brightness of your monitor and light brightness.