Pure Sound via Targeted Active Noise Cancelling: Choose your scenario via the Soundcore app and listen as ambient sounds disappear to leave you with nothing but pure sound. PureNote Driver Technology: Get a 45% boost to your bass, and a 30% wider frequency bandwidth than ordinary drivers. Drivers coated with 10 hardened nano-layers offer incredible stiffness to generate stunning accuracy and clarity. HearID Personalized EQ: To ensure a perfect listening experience, HearID intelligently analyses your unique hearing profile and creates a tailor-made sound setup just for your ears. Or take complete control of the sound with the adjustable EQ or 22 preset sound profiles. Up to 26 Hours of Playtime: Get 7 hours of playback from a single charge on the earbuds with up to 3 recharges from the charging case. Clear Calls: 6 noise-cancelling microphones with noise reduction ensure your voice is isolated and transmitted in high-clarity for a face-to-face experience. Key Features Targeted Active Noise Cancelling: Designed to eliminate the most disruptive and intrusive noise in everyday situations; choose from Transport, Outdoor, and Indoor modes. HearID Customized Sound: Hearing and ear analysis that intelligently creates your ideal listening profile for sublime sound. Also includes complete EQ control and 22 preset EQs. Charging Freedom: Charge via USB-C or a Qi Certified wireless charger. Put the buds in the case for 15 minutes for 3 hours of listening. Bluetooth 5.0: Super-strong and straightforward connectivity that pairs fast and stays stable. All-Day Comfort: Comes with 9 pairs of EarTips designed with super-soft silicone. Auto Pause/Play: Sensors stop the music when the earbuds are removed and start it again when they are put back. Whats In The Box: Liberty Air 2 Pro True Wireless Earbuds Wireless Charging Case 9 EarTips XXXS/XXS/XS/S/M/M+/L/L+/XL 60cm USB-C Cable Quick Start Guide Brand Card Specifications: Input: 5 V 0.5 A Battery Capacity: 55mAh x 2 (earbuds), 500mAh (charging case) Rated Output Power: 5 mW@1%THD Playtime (Varies by volume level and content): Up to 7 hours (Total 26 hours with the charging case) Playtime (with ANC mode turned on) : Up to 6 hours (Total 21 hours with the charging case) Playtime (with transparency mode turned on) : Up to 6.5 hours (Total 23 hours with the charging case) Talk Time: Up to 4 hours (Total 14 hours with the charging case) Drive size: 11mm Frequency Response: 20 Hz 20 kHz Impedance: 16 Waterproof Level: IPX4 (The earbuds are not desig ned for swimming, showering, or exposure to pool or ocean water. Do not use in a sauna or steam room. The charging case is not waterproof) Bluetooth version: V5.0 Bluetooth range: 10m/33ft