EarFun Air Pro 4 Bluetooth headphones with Adaptive Hybrid Noise Cancellation, aptX Lossless, Hi-Res Audio, LDAC, 6 microphones cVc 8.0 AI calls, 52H battery life, Multipoint, Bluetooth 5.4, In Ear Detection.

"【Recommended by the CHIP Best List: UP TO 50 dB ADAPTIVE HYBRID NOISE CANCELLING】: Thanks to the EarFun QuietSmart 3.0 algorithm, flagship dual-core DSP, and optimized noise cancelling parameters, the EarFun Air Pro 4 provides the ultimate noise cancelling experience with up to 50 dB ambient noise reduction. 【AI-POWERED NOISE CANCELLING ALGORITHM - EXCLUSIVE QUIETSMART 3.0】: The headphones intelligently detect ambient and ear noises, allowing you to select the optimal noise cancelling setting for various noise situations such as traffic, office, or wind via the app. 【STUNNINGLY CLEAR, BALANCED LOSSLESS AUDIO QUALITY】: Instantly be captivated by the nearly true-to-life triple sound balance, wide soundstage, and clearly defined high-resolution sound. The flagship S3 chipset QCC3091 combined with high-end codecs (aptX Lossless, aptX Adaptive, LDAC, LC3) and Hi-Res Audio certification guarantees outstanding audio quality. 【HD CALLS WITH 6 MICROPHONES AND AI NOISE CANCELLING】: Equipped with AI-based cVc noise cancelling technologies and six high-resolution microphones, the headphones detect ambient noises in real-time and dynamically reduce them for clear HD calls. 【INTELLIGENT EAR DETECTION】: Automatic pause when removing and automatic resumption when putting on the headphones. (Can be turned on or off in the app.)"