iJackit | SLEEKThe iJackit SLEEK is our slimmest iPhone 4 and iPhone 4S charging accessory yet. With a splash of colour from its leather-effect finish and a powerful integrated 1450mAh lithium battery, this stylish sleeve packs a mighty punch.The iJackit | SLEEK is a durable, protective case available in eight funky coloured finishes including White, Black, Pink, Orange, Light Blue, Red, Yellow and Bright Green.iJackit: Not just a pretty case...We dreamed of a future where you could have everything you wanted from an iPhone charging device. Now we present the ultimate blend of power, style and convenience in the iJackit range from PowerJackits.The iJackit range features ergonomically designed leather-effect cases with integrated battery power available in over 20 colors and designs. The iJackit will stylishly protect your iPhone 4 /4S whilst providing up to 300 extra hours of standby power, 40 hours of music and 10 hours of video time. All our iJackits are "Made For iPhone", FCC and CE certified and support synching and charging via their built-in USB port (cable included)KEY FEATURES Very slim smaller than many ordinary cases Elegant, ergonomic form-fitting design Choice of luxurious leather-effect finishes Built-in high power 1450mAH ultra-slim battery Up to 7 extra hours talk-time Up to 10 extra hours video playback Up to 40 extra hours music playback