PowerDuo for Sansa - AC Power Adapter & Auto Charger for Sansa - Power and charge your Sansa device from your wall outlet or vehicle power port. PowerDuo includes PowerBlock wall charger and PowerJolt vehicle charger. Compatible with any Sansa player with a 30pin connector and rechargable battery. 1 PowerJolt with charging indicator and replaceable fuse. 1 PowerBlock with 100V-240V range for your travel needs. Includes high quality USB to Sansa Connector cable.