Fitbit Versa 4 Blue
| Manufacturer | Fitbit | 
|---|---|
| Colour | Blue | 
| Protection level | 5ATM Withstands pressure equivalent to a depth of 50 meters. Suitable for splashing, rain or snow, showering, swimming, diving, snorkeling.  | 
| Waterproof up to | 50 m | 
| Changeable band | Yes | 
| Watch type | Smartwatch | 
|---|---|
| Included in the set | Cable | 
| Casing material | Aluminum | 
| Casing size | 38 mm 38 mm  | 
| Compatible with Please ensure that your exact device is supported by contacting client service or visiting manufacturers website.  | Android, iOS | 
| Screen size | 1.58 " | 
|---|---|
| Panel resolution Resolution is a term that indicates how closely the pixels are placed on the screen.  | 336x336 | 
| Touch panel | Yes | 
| Bluetooth | Bluetooth 5.0 | 
|---|
| Height | 3.8 cm | 
|---|---|
| Width | 3.8 cm | 
| Depth | 1.2 cm | 
| Strap size | 140 - 221 mm | 
| Battery life up to | 144 h | 
|---|
| Heart rate | Wrist | 
|---|---|
| Activity tracking | Yes | 
| Workout modes | Yes | 
| Sleep tracking | Yes | 
| Women's health tracking | Yes | 
| Stress level functions | Yes | 
| Maximal oxygen uptake mesurements (VO2 max) | Yes | 
| GPS Navigation system  | Yes | 
|---|---|
| NFC | Yes | 
| Microphone | Yes | 
| Speakers | Yes | 
| Sensors | Light Sensor, NFC, accelerometer, Heart Rate sensor, altimeter, blood oxygen sensor (SpO2) | 
| MPN | FB523SRAG | 
|---|---|
| GTIN / EAN / UPC | 810038858722 | 
