About this item Foldable design for space saving and easy portability. Colorful gradient lights create a stunning visual experience. Built-in microphone reduces noise during calls for hands-free convenience. Soft, breathable earmuffs provide a snug fit without leaking sound. Bluetooth 5.0 enables connectivity with all Bluetooth-enabled devices, such as mobile phones and tablets, with an effective range of 10 m. Call duration up to 10 hours, music playback for 15 hours, and standby duration of 180 hours with just a two-hour full charge. Three connection modes: Bluetooth, cable, and TF card (Headphones include AUX plugs for wired connections, and an AUX audio cable is provided). Experience three-dimensional surround sound with impressive audio quality. Large moving coil speaker delivers balanced sound across high, mid, and low ranges. Product dimensions: 6.18 x 5.08 x 3.27 inches.