Device for measuring oxygen saturation and heart rate for children. Children's pulse oximeter equipped with an OLED screen displaying test results and battery charge level. Automatic shutdown without signal for more than 8 seconds. Low battery consumption with two AAA batteries. The device operates efficiently for more than 30 hours with two AAA batteries. Specifically designed for children with a suitable size and cute graphics. The display screen works in four directions. Automatic shutdown when the signal stops for more than 8 seconds. Feature of audible and visual alarms. Suitable for hospitals and medical centers and suitable for independent use at home. Device dimensions: 6×3.9×3.2 cm. Device weight: 60 grams.