Compatible with many Sony DVD Players, Speakers and Headphones. Compatible Charger: 1-493-350-11 Sony BDP-BX370, Sony BDP-S1700, Sony BDP-S3500, Sony BDP-S3700, Sony BDP-S6700, Sony UBP-X700, Sony WHRF400, Sony WHL600. Return Policy: Our 100% Satisfaction Guarantee promises that our products have been tested and fully work. We accept returns up to 30 days from delivery. Items just need to be in their original condition and packaging as received. We will apply a 20% restocking fee for returns if there were no issues with the item or if you changed you mind or didn't like them. If you have any issues, please give us the opportunity to resolve your concern. If the item is defective, non working, or does not match description, please contact us for an easy return.