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Samsung Gear S2 and Gear S2 Classic unveiled: Tizen on board, 2-3 days battery life and independent 3G versions - PhoneArena
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Amazon.com: hvoolee 300mAh Battery for Samsung Galaxy Gear S2 Classic R720 R732, High Capacity Replacement Battery for Gear S2 Classic SmartWatch EB-BR720ABE with Professional Repair Tools : Cell Phones & Accessories
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