power output:RMS2W*2 THD+N1%; Frequency response:80HZ-20KHZ; Input voltage:DC 5V;

power output:RMS2W*2 THD+N1%;Frequency response:80HZ-20KHZ; Input voltage:DC 5V;Speaker unit:4Ω 2WBuilt-in battery:lithium-ion battery(800ma);SNR:≥90dB; Response sensitivity:300mv;  Case material:puure ABS; Dimensions:190*23*70MM 1.Acontemporary and sleek design stereo audio system; 2.Built-in li-ion battery,no need extra battery is required;                   3.Built-in digital amplifier,saving energy;                                      4.With storable 3.5mm jack audio cable;        5.Customized colors and logos are welcome;                                    6.Ideal for gifts and promotional items;     7.Compatible with all portable audio devices;                              8.With Mobile phone hang rope.

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