Yuwell YX-306 Pulse Oximeter

Specifications Display: OLED screen SpO₂ (Blood Oxygen Saturation) Range: 70 % – 100 % SpO₂ Accuracy: ±2 % in the 70–100 % range Pulse Rate Range: 25 – 250 BPM (beats per minute) Pulse Rate Accuracy: ±1 bpm or ±1 % (whichever is greater) Working / Operating Current: ≤ 30–40 mA Dimensions: Approx. 60 × 38 × 35 mm Weight: ~ 38 g (without batteries) Auto Shutdown: Turns off automatically after ~ 8 seconds of no use Display Direction: Auto-rotation, 4-direction display (gravity sensor)