  |  |  | |
| User rating |
| Accelerometer | yes | yes | N/A |
|---|---|---|---|
| Barometer | yes | N/A | N/A |
| Heart rate monitor | yes | yes | yes |
| Microphone | yes | N/A | N/A |
| Gyroscope | yes | N/A | N/A |
| Pedometer | yes | N/A | N/A |
| Phone Functionality | N/A | yes | N/A |
| Case diameter | 1.65 in | 0.0 in | 0.0 in |
|---|---|---|---|
| Case height | 0.0 in | 0.0 in | 0.0 in |
| Case thickness | 0.44 in | 0.47 in | N/A |
| Wrist band width | 0.71 in | N/A | N/A |
| Replaceable wrist bands | yes | yes | N/A |
| Watch case material | Stainless steel | Aluminum | N/A |
| Wrist band material |
|
| N/A |
| Anti scratch lens | yes | N/A | N/A |
| IP code (level of dust/water resistance) | IP67 | IP54 | N/A |
| Weight | N/A | 2.47 oz | N/A |
| Fully waterproof | N/A | yes | N/A |
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.1 | 4.0 | N/A |
| Wi-Fi | yes | N/A | N/A |
| USB | yes | N/A | N/A |
| Charging connection | Proprietary USB Cable | Proprietary USB Cable | N/A |
| Built-in navigation system | N/A | N/A | yes |
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