Li-Polymer Wireless Headset Battery for Sennheiser, 3.7V, 280mAh, Compatible Models: Flex 5000, RS 2000, RS 5000, Set 880

Li-Polymer Wireless Headset Battery for Sennheiser, 3.7V, 280mAh, Compatible Models: Flex 5000, RS 2000, RS 5000, Set 880

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