Yuwell YX301
SpO₂ Range & Accuracy: 70%–100%, with an accuracy of ±2%
Pulse Rate Range & Accuracy: 25–250 BPM, with an accuracy of ±1% or ±1 BPM
Power Supply: Two 1.5V AAA alkaline batteries
Power Consumption: Less than 30 mA (auto-shuts off after 8 seconds without a finger)
Display: Two-color OLED screen supporting four-direction clear readings
Design: Built-in silicone padding for comfortable long-term finger placement
Portability: Lightweight build intended for home care, travel, or sports monitoring
