Bluetooth 5.1 Wireless Sound Subwoofer LED Cool Light Effect Outdoor Portable Bluetooth Wireless Sound System Features: Bluetooth 5.1 ChipAdopting Bluetooth 5.1 chip, it has fast connection speed, stable transmission, and is not easy to disconnect. The connection distance is 10 meters. Multiple playback modesBluetooth speakers can be connected to devices through Bluetooth, inserted into memory cards and USB drives to read stored content for use, and can also be used for FM radio, with multiple usage modes. Convenient to carryThe portable speaker is equipped with a hanging rope design, which can be carried anytime, anywhere, whether going out or gathering, making it convenient to carry. ABS material, take good care of protectionABS material is made of plastic grade, with high density and toughness, and is not easily damaged. Emergency mobile power supplyIt can be used as an emergency mobile power source to charge other devices, such as mobile phones, headphones, etc., to meet your different needs. Multifunctional panelOne click switching, and fast, with more concise button functions. It also supports multiple external playback formats, making the ear more casual. LED Cool Light EffectThis Bluetooth speaker features cool LED lighting effects that can change colors according to music, providing a better music experience. Product Description: Product Name: Bluetooth Audio System Product colors: black Bluetooth version: 5.1 Transmission distance: 10 meters Output power: 5V/0.5A Output power: 12W 4 Frequency response: 100Hz-5kHz Product size:20.510.3cm/8.14.1in Product weight:600g/1.32lb Package size:22.31111cm/8.84.34.3in Package weight:666g/1.47lb Product List: 1 x instruction manual 1 x Bluetooth speaker 1 x charging cable