Ausdom E7 Bluetooth 5.0 Active Noise Cancelling Headphones, Wireless, Rose Gold Product Details ?Advanced Noise Cancellation: With advanced noise cancelling technology, AUSDOM active noise cancelling headphones cut down up to 92% of low and mid-frequency ambient noise, freeing you from the distractions of airplanes, subways, cars, and crowds. Enjoy pure music or focus on your work even in the noisiest environments like coffee shops and streets. ?Superior 50 Hours Playtime: With a powerful 1000mAh battery, our noise-canceling headphones offer up to 35 hours of playtime in ANC mode and an impressive 50 hours in standard mode. Plus, the included 3.5mm aux cable allows for wired connectivity when the battery runs low. Say goodbye to power shortage problems and hello to uninterrupted listening pleasure. ?Crystal Clear Calls: Featuring advanced sound processing technology, our wireless Bluetooth headphone delivers crystal clear audio with impressive bass and mid-range detail. The built-in high-definition microphone ensures your voice is heard loud and clear during calls, video conferences, and online classes. Answer calls with ease and enjoy premium convenience with just one click of the power button. ?Immersive Hi-Fi Audio: With professional 40-millimeter acoustic drivers and advanced audio signal processing technology, significantly reducing loss in sound quality and restoring the essence of sound, resulting in a more refined and immersive audio experience.Get ready to enjoy the best sound performance with the wireless over ear headphones. ?All-Day Comfort Design: Super soft memory foam ear cushions ensure outstanding comfort, adjustable headband and durable 90 angled-swivel earcups to find your personal perfect fit, making the Bluetooth over-the-ear headphones ideal for all-day comfort, giving you a comfortable experience for long listening sessions. ?Wired Wireless Mode Connections: AUSDOM E7 noise-canceling headphones break the single connection method, it supports both wireless and wired connections. (In Wireless mode, with an improved ANC button, you can choose to turn on or turn off the ANC function separately. When turning off the headphones, the ANC will turn off automatically to save power. ) Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.