Using its built-in SIM card slot, Duolex iPhone battery case enables your iPhone to be a dual SIM headset, and integrated rechargeable battery offers extra battery life. Like the feature? Let’s keep checking.
The Duplex is a multi-functional and practical battery case designed for iPhone 6/6s, and more Duplex cases will be developed for other phone models. The iPhone 6s case measures 142.3 x 70.5 x 8.3mm, weights 74g, and as we can see from the images, it shows off an ultra slim and sleek profile. Meanwhile, the matte backplate and smooth bumper deliver a comfortable and secure grip.
The iPhone case features a built-in SIM card slot that allows you to add another SIM card into your handset, and the uniquely designed and functional backplate delivers a keypad and an OLED display, so you can use the backplate to answer and make calls just like another cell phone that had been attached to your iPhone 6/6s.
Furthermore, the iPhone battery case also comes equipped with a 2200mAh backup battery that adds more battery life to your phone, and the metallic bumper and plastic back cover guard your handset from bumps and scratches.
The crowdfunding campaign for Duplex is ongoing on Kickstarter. You can pledge $49 to preorder the versatile battery case for iPhone 6/6s. It will be shipped in June this year. BTW, also don’t miss the TWO iPhone 6s/ 6s Plus case and more related cool stuff by following tags.