Fitbit fitness trackers use proprietary magnetic charging clips or pogo-pin cables specific to each product generation. The Fitbit Charge 5 and Sense 2 use a single USB-C like magnetic connector.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VCC | Charging power | PWR |
| 2 | GND | Ground | GND |
| 3 | DATA | Optional data | BUS |
| 4 | ID | Device ID optional | I/O |
Fitbit fitness trackers use proprietary magnetic charging clips or pogo-pin cables specific to each product generation. The Fitbit Charge 5 and Sense 2 use a single USB-C like magnetic connector.