* [Cnet's Award] Cnet calls this bluetooth headphone "The Best Headphones for 2020". * [Hi-Fi Stereo Sound] Dual powerful 40mm sound stage drivers deliver true-to-life audio with rich bass that's just like the real thing. Engineered with advanced passive noise reduction, not active noise cancellation (ANC). It could prolong the lifetime of the battery and offers more real sound. * [40H Playtime] Built-in rechargeable battery with a full charge of 4 hours enables your beats go on for a whopping 40 hours playtime. You could also use this bluetooth headphone as a wired headphone with the provided audio cable plugged into your earphone jack so the headphone will never power off. * [Comfortable Design] In order to achieve perfect fit and comfortable wearing experience, the bluetooth headphones were designed with adjustable headband, metallic slider and protein leather the memory-protein cushioned earmuffs. The ergonomic design enables users to work long time without fatigue. * [Excellent Connection & Hands-Free Call] CSR chips and Bluetooth 4.1 technology of this bluetooth headphone provides quick and stable connection with your device. Wireless headphone over ear with a high-quality built-in microphone for hands-free calls. GUARANTEED ORIGINAL/AUTHENTIC ITEMS FREE SHIPPING AND CASH ON DELIVERY VIA SHOPEE AUTHORIZED RESELLER WITH 1-YEAR WARRANTY