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Amazon.com: Synergy Digital Wireless Headset Battery, Works with Bang & Olufsen BeoPlay H7 Wireless Headset, (Li-Ion, 3.7V, 850 mAh) Ultra Hi-Capacity, Compatible with Bang & Olufsen PLB-103 Battery : Cell Phones &
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Bang & Olufsen Spare Replacement Battery for BeoPlay H7, H8, H9 Premium Bluetooth Wireless On-Ear Headphones - White: Amazon.co.uk: Electronics & Photo
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