The beautiful design of AC3 is inspired by a classic and elegant music instrument: The Flute. AC3 has a polished stainless steel 3.5mm headphone jack seamlessly embraced by a delicate aluminum body. You will fall in love with it at first glance. It is also lightweight and ultra-portable, fitting right into your pocket.Great news for hardcore audio fans who own a pair of 3.5mm high-end headphones from one of the biggest names! Removal of 3.5mm is no longer a pain. AC3 is Apple MFi Certified and designed to be compatible with iOS devices that use lightning connector. You will be surprised of its performance around your ears as soon as you hit “play”.Enjoy the superb resolution and sound quality coming from the low-power Premium Hi-Fi DAC inside:Turn on Hi-Fi mode, which boosts up the sound to the next level without any compromise in details, and raises the bar for ultra-portable amplifier. AC3 allows you to enable Siri with a press of a button, answer/end calls, adjust volume and play/pause music. Available in Black Sapphire Metallic color only.