Hi-Res Audio: Life Q10i delivers up to 40 kHz to deliver the richest listening experience. Certified with the Hi-Res Audio logo, the headset delivers sounds exactly as the artist and producer intended. 100% More Bass: 40mm large titanium drivers work in concert with our exclusive BassUp technology, a real-time Bass boost algorithm. Thanks to these features combined, the bass output is twice as loud. 3X Longer Playtime: Thanks to Anker's world-renowned power management technology and low-power Bluetooth chip, Life Q10i offers up to 60 hours of playtime. With 2 hours of playtime every day, the headphones can be used for a full month. 5 Minutes Charging = 5 Hours Playtime: You will not experience low battery problems even when you are in a hurry. Charge your headset via the high-speed USB-C charging port. Enjoy comfort and compatibility.