High-quality plastic makes it stable and vibration-free. The black, glossy colors and colorful oval LED lights allow the speakers to display the beauty of science fiction. High-quality cable and independent cable design, stable sound transmission and convenient control. 3.5mm audio interface, suitable for most music players, iPhone, iPad, Samsung phone or tablet, MP3 player or other devices, simply plug it into your device to listen to your music at full volume. USB power supply, can be directly connected to the computer's USB port for power, also can connect most 5V charger power supplies. Excellent bass quality, compared to other small speakers. Built-in bass diaphragm, closed cavity and low-frequency assist design to provide powerful bass performance.