Mini Wireless Bluetooth Speaker Usb/tf Card/fm Speaker Subwoofer With Colorful L New upgrade: The three-dimensional bottom has anti-fall and anti-vibration cushions. ABS+PC injection crack design, innovative, stylish and beautiful, colorful effect, full of sense of science and technology. Subwoofer: Built-in dual-drive portable hands-free, professional low-frequency radiation, clear treble, deep bass, and soft sound quality.Subwoofer: Built-in dual-drive portable hands-free, professional low-frequency radiation, clear treble, deep bass, and soft sound quality.High-quality sound: Enjoy crisp and rich sound through excellent stereo bluetooth speakers and built-in stereo driver, experience enhanced bass and strong volume stereo, the effect is beyond your imagination.Extremely portable: This speaker measures only 2.7 x 2.3 inches and weighs only 200 grams. It is ultra-light and easy to put in your backpack and luggage. It is very suitable for travel and hiking.Bluetooth connection technology: Connect to iPhone, smartphone, tablet, etc. via Bluetooth in a few seconds. The effective range is up to 33 feet (10 meters) from any Bluetooth-enabled device.