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Feature
Designed for use with Samsung Galaxy S 4 mobile phones for a custom fit and extended battery life.Carbon-fiber, acrylic and polycarbonate materials offer reliable protection against damage.
Built-in 2100 mAh lithium-polymer battery adds up to 8 hours of talk time, 38 hours of audio, 10 hours of video and 10 hours of Wi-Fi internet
LED indicators keep you informed of the current charge status.
USB connectivity allows you to recharge the case while charging your phone.