LIGHTNING CONNECTOR FOR PURE DIGITAL AUDIO-Razer’s work on award-winning headsets has led to developing a custom-tuned DAC converter that leverages the digital output of the Apple Lightning connector. The result is audio straight from the source without any processing found in standard 3.5 mm headphones, to produce the purest and most accurate sound wherever you go.The Razer Hammerhead for iOS is outfitted with 10 mm drivers and optimized inner acoustic chambers to reproduce all your music, game audio and more with superior acoustic clarity and deep distortion-free bass tones.Tune to a low bass or clear, crisp sound easily with the Hammerhead iOS App. You can select pre-defined EQs or customize one from scratch to suit your liking. The app also allows you to control the earbuds lighting, whether you want it on, off, or breathe. Firmware and future app updates are also delivered through this one-stop companion app.