[Product Feature]

* Replacement Sony MDR-RF4000K Battery
* Replacement for Sony BP-HP550-11 Headphone Batteries
* Lifetime Warranty
* Capacity: 700mAh, Upstart Battery Brand
* On Sale for a Limited Time!

[Description]
Product DescriptionSony MDR-RF4000K Battery - Replaces Sony BP-HP550-11 Headphone Batteries (2.4V, 700mAh, NI-MH, Lifetime Warranty)

[Detail]

* Shipping Information: View shipping rates and policies
* ASIN: B00F5D32TI
* Item model number: MDR-RF4000-DL16