【DOUBLE YOUR BATTERY LIFE】: Built-in 2500mAh rechargeable Li-polymer, this iPhone 6/6s battery case can provide an extra 11 hours talktime, 8 hours internet use, 7 hours gaming to your iPhone 6/iPhone 6s
【THIN AND LIGHTWEIGHT】: Atree iPhone 6/6s battery case is one of the slimmest charging cases, adding only 0.22 inch and 2.47 oz to your iPhone 6/iPhone 6s, thinner and thinner, feel like feather
【EASY TO USE】: No excessive bulk, just feel free to use your headphone without audio jack extender. Lighting cable input, then you can charge the iPhone 6/6s charger case and your iPhone 6/iPhone 6s simultaneously with your existing iPhone lightning cable