Your Kobo Sage PowerCover has a built-in battery to extend your eReader’s battery life. It also protects your eReader’s screen when not
Kobo Sage, eReader, 8” HD Glare Free Touchscreen, Waterproof, Adjustable Brightness and Color Temperature, Blue Light Reduction, Bluetooth, WiFi, 32GB of Storage
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Kobo Sage PowerCover Case - Black Rakuten Kobo eReader Store Singapore
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Use your Kobo eReader as a notebook – Rakuten Kobo