The Belink Power Case for my Iphone 6 has been fabulous. With it I can stay charged all day and into the next day. It takes away the stress of having to recharge at least 1-2 times per day.
Works great especially for traveling. Use my phone all day and would normally have to plug in at least once but I find I only need to plug in at night. Very convenient. Haven’t dropped it yet so I don’t know how well the protection is.
Their active noise-canceling significantly reduces ambient noise and they have a transparency mode to let in sound. Headset performance when making calls is top-notch.