Wellue Checkme O2 Max

Quick details
Released
2021
Dimensions
Approx. 51 x 30 x 18 mm (main unit)
Display Wrist display
Battery life Up to 72 hours
Water resistance IP22
GPS No
Sensors Pulse oximetry, pulse rate, motion

Technical specifications

General

Release date 2021
Product type Wrist-worn oxygen monitor
Physical size Approx. 51 x 30 x 18 mm (main unit)
Weight Approx. 18 g (main unit)
Water resistance IP22
Display type Wrist-mounted display
Battery Rechargeable lithium-polymer battery; 3.7 V
Battery life Up to 72 hours typical use
Charging USB charging
Charging time About 2.5 hours

Sensors

GNSS type None
GPS No
GALILEO No
GLONASS No
QZSS No
Beidou No
Accelerometer Yes (motion)
Gyroscope No
Barometric altimeter No
Compass No
Geomagnetic No
Optical heart rate Yes (external ring pulse-oximetry sensor)
Electrical heart rate No
SpO2 Yes
Temperature No
Galvanic skin response No
Microphone No
Speakers No
Vibration motor Yes (SpO2 and pulse alerts)

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 9.0+ and Android 5.0+
Storage 4 sessions, up to 10 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

Navigation, safety & special features

Maps No
Offline maps No
Navigation No
Emergency SOS No
Satellite SOS No
Fall detection No
LED flashlight No
Diving No

These technical specs are correct to the best of our knowledge at the time of publishing.