[Built for Quality]: The headband is made of high-grade nylon material, which is not easy to deform, has good elasticity and ductility, and can quickly return to its original shape even after vigorous twisting. The inside of the headband is made of silicone material, which is also the material used by big-brand headphones. The appropriate softness allows you to wear the headphones for a long time without feeling any discomfort. The logo uses delicate metal spray painting technology, making the texture more advanced.,[Up to 90 Hours of Playtime]: With up to 90 Hours of listening time in Bluetooth mode, and 10 minutes of charging for 5 hours of listening, you'll always have music to inspire you. Regardless of whether you want to use the convenience of Wireless Headphones Bluetooth or the long-lasting properties of a wired connection (3.5 mm audio cable included), you have the choice with the DOQAUS Bluetooth Headphones over ear.,[Optimized Sound Quality with 3 EQ Modes]: DOQAUS is always up to date for better sound effects and a better listening experience. A big step that DOQAUS has taken: DOQAUS Headphones Wireless Bluetooth have 3 EQ modes tuned by professional acoustic engineer with which you can freely switch between well-balanced, bass boosted and high definition sounds. Each mode provides you with the CD quality sound.,[Comfortable and Specially Developed Design]: The over-ear Headphones are designed for long-term comfort. The soft over-ear pillows have advanced ventilation and a unique ergonomic fit for an individual, flexible fit for every head shape. Make sure that the ear is snug around your ears for a better sound experience and immersed in the full sound. Gentle reminder: Please take off the Bluetooth over ear Headphones wireless every 2-3 hours to get your ears relaxed.,[Bluetooth 5.3 & Built-in ANC Microphone]: With two 40mm large bezel driver units and Bluetooth 5.3 technology, these Headphones Bluetooth offer more stable transmission speed, lower latency and better audio output. The Headphones can give you wonderful music enjoyment and the built-in ENC technology microphone of the over ear Bluetooth Headphones wireless automatically reduces ambient sound enables hands-free clear phone communication.,[More Useful & Excellent Service]: AI assistant wake-up and multi-device connectivity features to make your life simpler. DOQAUS Bluetooth Headphones over the ear include a refund within 30 days, 18 months replacement guarantee. For more information about DOQAUS Wireless Bluetooth Headphones, please feel free to contact customer service, all of the e-mails will be processed within 24 hours.