Built in Multi-Color Lights Effects Features: - Play/Pause and Light FX Button - Lanyard hole - TF-card slot - ON/OFF and Mode button - Charging port - Charging LED indicator Specification: - Total system power: 5W - Full range driver: 1.5", 3" - Frequency response: 90Hz – 20KHz - S/N Ratio: 85dB - Input sensitivity: 600+-100mV - Speaker weight: 0.1KG - Speaker size: W85 x D85 x H40 What's in the box 1 x Lumo 2 Speaker 1 x Charging Cable