- Your Fitbit Charge 4 is getting an important new health app very soon TechRadar
- Fitbit rolling out Charge 4 update with on-device SpO2 level 9to5Google
- Fitbit Charge 4 will now show oxygen saturation on the wrist Wareable
- Fitbit Charge 4 update adds new on-device functionality PhoneArena
- View Full coverage on Google News