FITBIT CHARGE 4 New Operating temperature: -10℃ to 40℃

Operating temperature: -10℃ to 40℃

Adds to it with a range of features

- Sensor :Optical

11ac (WiFi 5) standard

🍀 DESIGNED FOR INSTA360 ONE / ONE X: Fully compatible with Insta360 ONE / ONE X and attaches the Insta360 camera to the selfie stick and handle to record the wonderful moments and wonderful world

FITBIT CHARGE 4 New Operating temperature: -10℃ to 40℃FITBIT CHARGE 4 Memory Save all your movement data for seven days, minute by minute Save daily total for last 30 days Stores heart rate data at one second intervals during exercise monitoring and five second rest of the time Waterproof Water resistant up to 50 meters After swimming or wetting the strap we recommend drying it, because like other wearables, it is better for your skin that the strap is clean and dry We do not recommend that you take your