Support Wired and Wireless Connections Equipped with dual 3.5mm audio, Pointcinco L1 brings you superior Hi-Res audio sound with a well-balanced deep bass, makes you have a better listening experience. Wireless mode frees your hands, allowing you to fully relax and enjoy music. Note: In wired mode, all buttons are unavailable. If there is no sound when using a 3.5MM audio cable inserted into the front hole of the desktop computer, please try plugging it into the rear audio hole. Superior Stereo Vibration Sound Quality Headphones Pointcinco Bluetooth headphones with noise isolation technology, offers an almost concert hall-like feel to your favorite music as close as you're watching it live. Provide high-quality reproduction of sound for listeners, audiophiles, and home audio enthusiasts. Comfortable Wearing & Adjustable Design The over-ear Headphones are designed for long-term comfort and use. The soft over-ear earmuffs have advanced ventilation and a un