Compact pulse oximeter - A320 - Shenzhen Aeon Technology - fingertip / for teaching / medical
Medi-Cart - Medisign Pulse Oximeter Model A320 Only Rs.2999 | Facebook
Amazon.com: Fingertip Pulse Oximeter with Plethysmograph and Perfusion Index, Include Carrying case, Large OLED Digital Display Blood Oxygen Saturation Monitor Heart Rate Monitor (Color: Red-Orange) : Health & Household