【BOOMING BASS】Installed with advanced audio chipset and latest decode technology, E90 wireless earbuds are able to transfer music with extra deep bass and rich details. Delivers true original audio quality up to 97% [Current Audio Average Only 90%]. | 【FACE-TO-FACE PHONE CALL QUALITY】 Difficult to have a proper phone conversation by using wireless earbuds? Try ENACFIRE E90 Bluetooth earbuds! Leave only the 2 fine-adjusted mics installed on earbuds, the passive noise cancellation design can block out the noise greatly. Give you the real best experience of hands-free calling. | 【BORN TO LIVE WITH YOU】ENACFIRE E90 wireless headphones adopt a revolutionized design that can’t find anywhere else. Neither stem nor dot design, but a flawless combination of both. Streamlined, ergonomically and lightweight design, invisible is what you can feel. | 【ULTRA-LONG 48H PLAYTIME】A total playtime up to 48H [2 Days] can almost cater to any of your daily needs and situations with zero worries of battery life. What’s more, the E90 Bluetooth headset alone can last 8H with a single charge due to its highly efficient Qualcomm chipset. [2 times longer than others 4-5H] | 【IPX8 WATERPROOF】Water, rain, sweat? Don’t ever worry about that if you are using the E90 true wireless earbuds. IPX8 waterproof rating promise you the strongest reinstate and endurance. Don’t worry, just bring it.