Wellue Checkme O2 Ultra
Quick details
Released
2024
Dimensions
Approx. 55 x 30 x 22 mm (main unit)
Display OLED
Battery life Up to 100 hours
Water resistance IP22
GPS No
Sensors Pulse oximetry, pulse rate
Technical specifications
General
Release date 2024
Product type Wrist-worn oxygen monitor
Physical size Approx. 55 x 30 x 22 mm (main unit)
Weight About 12-23 g (main unit; specification varies by regional version)
Water resistance IP22
Display type OLED
Battery Rechargeable lithium-polymer battery; 500 mAh, 3.7 V
Battery life Up to 100 hours typical use
Charging Magnetic charging
Charging time About 2 hours
Sensors
GNSS type None
GPS No
GALILEO No
GLONASS No
QZSS No
Beidou No
Gyroscope No
Barometric altimeter No
Compass No
Geomagnetic No
Optical heart rate Yes (external pulse-oximetry sensor)
Electrical heart rate No
SpO2 Yes
Temperature No
Galvanic skin response No
Microphone No
Speakers No
Health & activity tracking
Floors No
Sleep Yes
Heart rate Yes (pulse rate)
Blood oxygen Yes (continuous SpO2)
Skin temperature No
ECG No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Smartphone compatibility iOS and Android
Storage 4 records, up to 12 hours each
Bluetooth Yes (Bluetooth 4.0 BLE)
Wi-Fi No
NFC / connected pay No
UWB No
Cellular No
Bluetooth calling No
Smartphone music control No
On-board music storage No
Voice assistant No
Links
Affiliate link Wellue
These technical specs are correct to the best of our knowledge at the time of publishing.