1.mini portable speaker 2.classical design, superior performance 3.with belt, easy to carry 4.support TF card

A compact design, stylish appearance2 small size, easy storage, easy to carry3. Applicable to a variety of mobile phone / tablet PC4 dual-mode power supply, safe and convenientRated Power: 1x2WLeft and right channel speaker unit: 40MMFrequency response :90-20KHZImpedance: 4 OHMSNR: ≥ 85DBPower Supply: USB Dc 5V 3xAAA battery Unit size: 180 * 58 * 27 MM QTY: 100 PCS G.W.: 10.4 KG N.W.: 9.4 KGMEAS: 42 * 37 * 36.5CMThe conventional Color: white, black