Photo 1 of Wellue Bluetooth Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor with Free APP, Batteries, Carry Bag & Lanyard

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Photo 1 of Wellue Bluetooth Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor with Free APP, Batteries, Carry Bag & LanyardPhoto 2 of Wellue Bluetooth Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor with Free APP, Batteries, Carry Bag & Lanyard