Wireless Bluetooth Speaker Plug-in Card Mini Subwoofer Portable Outdoor Speaker Features: 3 types of dazzling light effects wireless Bluetooth speaker, full-frequency dazzling, bright color, full sense of atmosphere, lightweight and portable. Newly upgraded Bluetooth 5.2 chip, faster connection, stable, longer transmission distance. 2-inch moving coil horn, all-metal diaphragm moving coil, layered low-frequency energy effectively enhances bass. 360-ring listening party, Bluetooth-free connection within 32.8 feet, easily covers every corner. Delicate and small, doesn't take up space, fits in your palm, portable. Product Description: Name: Wireless Plug-in Card Mini Subwoofer Portable Outdoor Stereo Connection Mode: Bluetooth connection Color: Black Frequency Response Range: 60Hz-15 KHz Signal-to-Noise Ratio: 75dB Number of Speakers: 2 Material: Plastic Power Supply Mode: USB Rating: IPx 3 Rated Power: 5W Bluetooth Version: 5.2 Size: 2.68*2.36 inches Includes: 1x Bluetooth Speaker 1x Charging Cable