Up to 52 Hours of Play TimeWith up to 52 hours of listening time in Bluetooth mode, you will always have music to inspire you. Plus, whether you want the convenience of wireless headphones or the long-lasting battery-free performance of a wired connection, including a 3.5mm audio cableOptimize Sound Quality with 3-EQ ModeTo provide richer sound effects and better listening experience, DOQAUS perseveres. DOQAUS takes a big step forward: DOQAUS wireless headphones feature 3 EQ modes that allow you to switch freely between balanced, bass boosted, high-definition sound. Each mode gives you CD-quality soundComfortable and Exclusive DesignDOQAUS earphones are designed for long-term wear. Soft, over-ear cushions feature advanced breathability and signature ergonomics for a custom, flexible fit to any head shape. Make sure the earpads fit snugly in your ears for a better sound experience and immerse you in rich audio. Tips: Please take off the earphones every 2-3 hours to relax your earsBluetooth 5.0 and Built-in MicrophoneDual 40mm large aperture driver units and Bluetooth 5.0 technology, these Bluetooth earphones provide you with more stable transmission speed, lower latency and better audio output. For great music enjoyment, the wireless headset's integrated microphone enables hands-free and clear phone communication[WHAT YOU WILL GET]: 1 x DOQAUS Bluetooth Headphone 1 x AUX Cable 1 x Charging Cable 1 x Storage Bag 1 x User Manual. For information about our wireless bluetooth earphones, please contact customer service directly, we will reply to your email within 24 hours