portable Mini Speaker of laptop,Support TF The first one with moveable charge The earliest made external batteri

*USB Mini Speaker for laptop, mp3 and mobile phone *Support TF card*Stereo sound design, limited space to enjoy unlimited high-fidelity music*3.5MM headphone output interface,wallyson amplifier.*Built-in rechargeable lithium battery (standby 240 minutes)*Audio output connection with computer, laptop ect.*Size: 24*65*155mm, weight: 0.235kgs*OEM color and logo print are welcome

*Output power:3W*2RMS*Speaker unit:1.5*2(antmagnetic)*Frequency Response:200Hz-20KHz*Power Voltage: USB,DC 5V/500mAh*Distortion: ≤0.5 %( 1W 1KHZ)*Separation:≥75dB*S/N Rate: ≥80dB*Accessories: USB cable, audio cable, battery

mini-speaker h8a