The KZ XTRA true wireless headphones use a high performance setup to deliver clear, high quality wireless sound and reliable everyday use. - Advanced hardware for sound: Equipped with the latest Qualcomm 3091 chip and strong DSP capabilities, it supports aptX Adaptive, aptX HD, SBC, DAC and AAC for versatile and high quality wireless audio transmission. - PCBA design and layout: The high integration of the Qualcomm 3091 enables a compact PCBA design, using an 8-layer PCB. This compact layout is ideal for small devices like true wireless headphones and helps reduce transmission delay. - Hybrid noise cancellation: Hybrid ANC combines advanced active noise cancellation and CVC call noise cancellation. ANC reduces ambient noise in real time for a quieter listening environment, while CVC improves call clarity by suppressing environmental noise during conversations. - Latest Bluetooth 5.4: With Bluetooth 5.4 and the QCC 3091 chip, you get more stable connections, lower audio latency, and better power efficiency, which extends battery life and reduces charging frequency. Use scenarios - Daily commute or travel: Enjoy immersive sound with effective ambient noise reduction in noisy environments. - Office or calls: Clearer conversations thanks to CVC call cancellation and reduced background noise. - Home workouts or relaxed listening: Reliable wireless performance with longer battery life for extended use. Key attributes - Function: wireless stereo sound with high fidelity codecs and active noise control - Compatibility: supports aptX Adaptive, aptX HD, SBC, DAC and AAC; Bluetooth 5.4 for modern devices - Size and design: compact PCBA with 8-layer PCB for small form factor and low latency - Performance: efficient DSP, strong noise cancellation, extended battery life through power-friendly Bluetooth The description remains faithful to the product brand, specifications, model, and functions, while presenting clear benefits and practical use cases.