Replacement Battery Part for Sony WH-H910N H.ear on 3 WHH910N Headphones 1000mAh 3.7v SM-03

This is a replacement battery part for Sony WH-H910N h.ear on 3 headphones. The battery offers 1000mAh of power at 3.7V, and is compatible with the WH-H910N model.  Enjoy reliable power and long lasting performance.

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