Overview: 1 [Low-frequency pulse technology ] Guided acoustic structural design, effectively enhancing bass by adding low-frequency energy 2 [High capacity and long-lasting endurance ] High capacity 2000 milliampere battery, 8 hours of battery life 3 [Cool Colorful Atmosphere Light] With alternating colorful atmosphere lights, from a distance, it looks like a jellyfish slowly swimming in the air, both romantic and interesting 4 [Offline music playback] supports MICROTF card insertion and automatic decoding of common audio formats 5 [LED high-definition display screen ] Speaker/night light/time/battery display, three-in-one multifunctional small speaker Product information:Power type: USBColor: pink, gray, purpleFrequency range: 60Hz-15KHzRated Voltage: 5V-1AAdditional features: LightingApplicable scenarios: car, fitness, outdoor, square dance, otherRated Power: 10V Packing list:Bluetooth speaker * 1