bubble star is the ONLY AUTHORIZED amazon seller of the UNISHOW(TM) brand products. free TWO(2) more random colors of rubber bands, DIY your speaker as you like!NEW PACKAGE,NEW PACKAGE, the box you will receive is different with the picture posted.Feature: Resonance technology of low frequence 360-degree omni-direction sound field 360-degree rotary volume control technology Speaker Specification: Item name: Mini speaker Lithium battery : 3.7V 500mAh Recharging voltage : 5V Horn specification : 40mm 2.6Ohm 3W Frequence response : 60Hz-18KHz SNR(Signal to Noise Ratio) :≥95dB Distortion degree : ≤0.5% Measurement: 60*60*53mm Packing list: 1 x Speaker 1 x Two-way Cable(one is USB for charging,the other is AUX cable) 1 x User Manual