System-S Backup Battery Charger Extender For SanDisk Sansa Clip 2GB 4GB 8GB Clip Plus Clip+ A perfect backup when you are traveling Works also with: 4 rechargeable 1,2 and 1,5V mignon AA batterys CE & UL Certified Cord Length: 12 inches with plug connector Pocket sized, lightweight, durable, small and handy