[Qualcomm 3040 & Bluetooth 5.2] - The latest Qualcomm QCC3040 chip built-in and Bluetooth 5.2 technology create an all-round upgrade with optimized Bluetooth transmission, flawless connection (75% more stable than the last generation) and enhanced sound to bring you unprecedented experience. [Dual Mic & cVc Noise Cancellation] - Higher-order noise cancellation arithmetic and cVc 8.0 ensures clear calls without any disruption along with dual mic in each earbud, one for capturing your voice in the best way and the other for reducing the ambient noise around, making the TrueAir2 perfect for conference calls, online courses and video/voice chat. [TrueWireless Mirroring & Seamless Connection] - Upgraded on TWS Plus, the advanced TrueWireless Mirroring technology balances consumption between two earbuds and maximumly improves connection stability even under poor radio frequency circumstance, to provide seamless and reliable audio transmission with low consumption. [Melodious Sound & 25 Hours] - 14.2mm bio-compound diaphragm driver inside and aptX codec precisely parse the details and restore realistic sound to pass wonderful notes and give immersive experience. 5 hours playtime per charge and another 4 recharges by charging case extend your enjoyment and enrich leisure time. [Ultra Lightweight & Comfortable Fit] - With single earbud weighing 0.14oz and charging case weighing 0.95oz, the compact and portable design delivers visible texture. Semi-in-ear shaped earbuds with frosted casing support long-time wearing without any discomfort.