Rechargeable Battery for MM 400-X/MM 500/MM 550/PX210BT/PXC360BT/PXC310 Headphones
Also found as: Sennheiser BA370 PX, BA 370PX, BA370PX, BA-370, BA 370
Internal Product ID:
75160
Very good choice
It works better than the one I bought with the headset, great. Fast shipping, great seller.
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