Color Display Finger Tip Oximeter

Color Display Finger Tip Oximeter Color Display Finger Tip Oximeter are High quality 65k color OLED display Color Display Finger Tip Oximeter are Automatic power-off without signal for 5 seconds Color Display Finger Tip Oximeter are Superior accuracy and durability Color Display Finger Tip Oximeter are Two "AAA" Alkali battery and OLED bar graph Color Display Finger Tip Oximeter are Two display direction adjustable