This charger is compatible with the Garmin Forerunner 735xt/235/230/630 and Approach S20. Device fits snugly into charger to allow for reliable charging without the risk of charger falling out. USB Charging cable allows you to connect charger to a Laptop or Power bank for easy portable charging - Compact and lightweight Design - Convenient for travellers and business users. Cable provides fast and stable charging speeds and protects your watch from over-voltage and over-current damage. What's in the box 1 x charger