Charger Compatble with Fitbit Alta HR This is third-party charger, it works like the original. It is a good choice to replace your original charger. Compatible Device: Compatible with Fitbit Alta HR Note: the charging cable Not-compatible-with Fitbit Alta Specification: Color: Black Input: 5V/1A Cable Length: 1m/3.3ft Package included: 1 x for Alta HR charging cable (smart watch is not included !!!) Please Note: 1. We suggest using the computer, laptop or power bank to charge as the current is more stable.