Features: Double connection way: supports both corded and BT5.3 connection, easily meets the needs of different devices. Highly sound: adopts highly performed auditory technology to provide a clear and dynamic music experience, bringing better enjoyment. Easy to Operate: Equipped with intuitived control button, it is convenient for users to quickly adjust the sound and switchable. Outstanding bass: Dedicated subwoofer unit enhances the low-frequency effect, allowing you to feel the shockings sound effect for enjoy music or watch movie. Strong compatibility: It can be easily connection with a variety of devices such as computers, cell phones, tablets, etc., with a wide ranging of adaptability, simple and convenient to use. Stable Connection: BT5.3 technology provides more stable transmission and reduces latency phenomenon to ensure smooth auditory playback. Specifications: Model: E3576 Wireless Speaker Size:about 320x60x64mm/12.6x2.36x2.52in Component：Plastic Support：Corded and BT5.3 connection Frequency:35Hz-16KHz Sound：Music/Movie Loudspeaker：2inchx2 Speaker Impedance：4Ohm/3Wx2 Wireless Transmission Ranging：About 10m/32.8ft Package Includes: 1Set E3576 Wireless Speaker note: Due to the problems of lighting effects there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurement.