Specifications for the product:  Ultra-light at just 4.5 g Powerful 11.6 mm custom driver 24bit Hi-Res Audio Certified Next-level Active Noise Cancellation Personal Sound Profile Up to 36 hours of listening time Personalised Active Noise Cancellation A mighty refinement. Let Ear (2) tune into you. With a Personal Sound Profile that adjusts the equaliser in real-time, content is optimised just for you. Stay connected to multiple devices at the same time with Dual Connection. And for the clearest calls, we’ve made our Clear Voice Technology even smarter. Iconic design An icon made stronger. Ear (2) is the next chapter of a revolutionary design story. Transparent veneers celebrate the beauty of raw technology and expert craftsmanship. We rebuilt the charging case with a stronger, pressure-resistant material for a premium feel. Now smaller, lighter and sturdier. Still wonderfully original. Power in minutes Move sooner with fast charging. Get 8 hours of music playback in just 10 minutes with the case. Ear (2) supports up to 2.5W (Qi certified) for wireless charging. No strings attached. Or reverse charge on compatible devices, like Phone (1). Advanced Equaliser Go beyond treble and bass and tune music to exactly how you want to hear it. Dive deeper into sound with our Advanced Equaliser, giving you more customisation through a simple graphical interface. Elevate your listening with Q Factor and frequency control. Create separate profiles for different genres. Then share your mastery or import a profile via QR code.