楼主 (北美华人网)
拼手速,這個不是雜牌,是十大好評的血氧儀之mibest Silver Dual Color OLED Finger Pulse Oximeter - Blood Oxygen Saturation Monitor with Color OLED Screen Display and Included Batteries - O2 Saturation Monitor https://www.amazon.com/dp/B07BNZ2Z41/ref=cm_sw_r_cp_api_i_C0iKEbPGDH2Z5