Engineered for calls and music like never before Fully adjustable Jabra Advanced Active Noise-Cancellation™ and fully adjustable HearThrough 3 sizes of smooth, oval silicone EarGels™ 2 microphones in each earbud 12mm speakers, a customisable equalizer and AAC and SBC codecs for rich, detailed sound with powerful bass 5.5 hours on a single charge with ANC on, with up to a total of 25 hours with the compact charging case Wireless charging enabled and compatible with all Qi-certified chargers IPX4-rated Alexa Built-in and works with Siri® and Google Assistant™