1.2V battery for Sony 1-756-316-21, 1-756-316-22, MDR-IF3000, MDR-IF540RK, MDR-I
Fit to the device models:Sony MDR-DS3000, MDR-IF240RK, MDR-IF3000, MDR-IF540RK, MDR-RF820, MDR-RF885RK, MDR-RF920RK, MDR-RF960R, MDR-RF960RK, BF-TDSY, MDR-RF925RK. Compatible with the battery part numbers:BP-HP550, 1-756-316-21, 1-756-316-22.