... Robot mini Speaker Specification: 1, Frequency response: 90HZ-20KHZ2, Load power: 3W3, Distortion : ≤0.3%4, Speaker Unit: 40mmx25, SNR:> ... 85dB 6, Charging power: USB 5V 7, Power supply: 550MH Lithium battery Packing Details: >> 50PCS/CTN >> ... two clour LED light.4. Use new technology.low dissipation.large power 5. Best seller because of the comptitive price and good ...