Garmin GPS devices and fitness trackers use various proprietary multi-pin magnetic charging connectors. The spring-loaded pogo pins mate with contacts on the device back or side for secure charging without exposed ports.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VCC | 5V charging power | PWR |
| 2 | GND | Ground | GND |
| 3 | DATA+ | USB data positive | BUS |
| 4 | DATA- | USB data negative | BUS |
| 5 | ID | Device identification | I/O |