Original battery SONY BP-HP550
For headset models: MDR-DS4000, MDRDS4000
Sony BF-TDSY
Sony MDR-DS3000
Sony MDR-IF240RK
Sony MDR-IF3000
Sony MDR-IF540RK
Sony MDR-RF820
Sony MDR-RF885RK
Sony MDR-RF920RK
Sony MDR-RF925RK
Sony MDR-RF960R
Sony MDR-RF960RK
Sony Type 1-756-316-21
Sony Type 1-756-316-22
Original battery SONY BP-HP550
For headset models: MDR-DS4000, MDRDS4000
Sony BF-TDSY
Sony MDR-DS3000
Sony MDR-IF240RK
Sony MDR-IF3000
Sony MDR-IF540RK
Sony MDR-RF820
Sony MDR-RF885RK
Sony MDR-RF920RK
Sony MDR-RF925RK
Sony MDR-RF960R
Sony MDR-RF960RK
Sony Type 1-756-316-21
Sony Type 1-756-316-22
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