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Item Name: Bluetooth Speakers W-301

Other Name: Short Metal Tube Speaker

Model No.: W-301
Description:
1.Size:5*7.4*5 cm  Aluminum  
2.Battery:Built-in Li-battery 550mAH                
3.Output:RMS 3W Single channel THD=10%                      
4.Frequency response:150-18000Hz(±3dB)  S/N Ratio:≥80dB                              
5.Speaker:1.77inch,Outer diameter 45mm,Impedance:4Ω           
6.Input:5-5.5V/ 1000mA,AC power adapter