Product Review

Please ensure both model and battery part number are matched with your device.

- Compatible Model:
SONY MDR-IF245RK, MDR-RF4000, MDR-RF4000K, MDR-RF810, MDR-RF810RK, MDR-RF840, MDR-RF840RK, MDR-RF850, MDR-RF850RK, MDR-RF860, MDR-RF860RK, MDR-RF925, MDR-RF925RK, MDR-RF970, MDR-RF970RK,

- Compatible Battery Part Number:
SONY BP-HP550-11,

- RoHS approved for toxic free.
- CE and ISO9001 Certificate for quality assurance.