Brand N/A Model X-T05 Type Portable Colors Red Quantity 1 Material ABS Internal Memory N/A Memory Card Type TF Max Extended Capacity 16GB Media Format MP3 Total Power 3w Impedance 4 ohm Signal to Noise Ratio(SNR) 80 dB Channels 1 Remote Type N/A Interface Mini USB / TF card Radio N/A Power Supply Built-in Rechargeable Battery Built-in Battery 400mAh Plug Type 2-Flat-Plug Other Features Frequency: 300Hz~16KHz; battery charging time: 5V 2.5 hours; music play: 4~8 hours; with retractable design; with volume switch 3.5mm jack on/off switch LED battery indicator. Packing List 1 x Speaker 1 x Cable (3.5mm jack + USB) (72cm) 1 x Manual