2 Pack Replacement for Sennheiser RS 4200 Battery Compatible with Sennheiser BA300 Set 830-TV RI 830 Set 830 S RI 830 S is 410 RI 410 RR 4200 Headphone Battery (150mAh 3.7V Lithium Polymer)

Product Description

Replacement Sennheiser RS 4200 Battery

Replacement for Sennheiser BA300 Headphone Batteries

Quantity: 2, Lifetime Warranty

Capacity: 150mAh, Upstart Battery Brand

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