Headphones With American Retro Style Wireless Bluetooth 5.3 Subwoofer Features: Retro texture leather lines, soft and free right beside the ear, delicate and high-end head beam texture leather lines, interpreting the integration of fashion technology aesthetics form and meaning, revitalizing the New Voice of Aesthetics. Adaptive Folding Design: The earphones are lightweight and compact, with foldable arms for flexible storage, making it easier and more convenient to carry when going out. HIFI sound quality, 40mm large moving coil, excellent bass, powerful sound, can be inserted into the card, can also be not linked to Bluetooth, plug the headset line can also be convenient to use, Fast charge plus hold. Al call noise reduction, dual resist wind noise: The dual microphone Al noise reduction algorithm intelligently separates human voice from background sound and reduces wind noise through deep learning without using call scenes. Achieve high-definition call effects. Omnibearing care:No pressure lightweight wearing, ergonomic design, the earmuffs are made of skin friendly and breathable protein skin,long-lasting and no pian, efficient leak proof and skin friendly earmuffs+no pressure inert sponge, comfortable and beautiful to wear, no pressure on the head or ears Product Description: Product: Bluetooth Headset Color: Black Working time: 12 hour Charging time: 2 hour Battery capacity:350mAh Connection mode: Bluetooth 5.3,AXU,Insert card(Max64G) Product size: 1916.57.5cm/7.486.502.95in Package size: 19.5179cm/7.686.73.54in Package Content: 1 x Bluetooth Headset 1 x Charging cable 1 x AUX audio cable