Mucro F4 Over-ear ANC and ENC Noise Reduction Wireless Headphones with Storage Bag

What’s in the boxBluetooth headset x 1，Charging cable x 1 ， User manual x 1， Storage bag x 1 Bluetooth headset x 1，Charging cable x 1 ， User manual x 1， Storage bag x 1 Bluetooth Version: V5.4Transmission Range: 10 metersMaterial: ABSSpeaker Size: 40mmFrequency Response: 20-20,000 HzDistortion Rate: 0.1%Battery Size: 3.7V, 1000mAhPlaytime: 120 hoursEarbud/Earcup Material: Protein Weight: 110 grams Bluetooth 5.4 chip for low power consumption, more stable, and faster sound location detection, lightweight as a wing, and no perceptible delay.2. High-precision PET diaphragm, 40mm precision biological diaphragm, with larger amplitude and faster response, delivering a concert-quality music experience.3. Lightweight and weightless, with a leak-proof fit and memory steel bars, the leak-proof, close-fitting design delivers high-quality sound with richer, deeper sound.5. Spatial sound effects, equipped with 3D sound field technology, deliver cinematic surround sound, fully enveloping you for an immersive, three-dimensional listening experience.6. Soft protein leather earmuffs, adjustable telescopic arms, and rotating metal buttons for easy operation.