1) Pocket-size, high quality stereo sound, built-in digital amplifier             
2) Built-in rechargeable battery
3) Can material:Pure ABS
4) Rate power: 2W x 2
5) Frequency range:150HZ~20KHZ(Hz)
6) Impedance: 4HM(Ω);Speaker unit:36mm;
7) Input voltage: DC5(V)             
8) Frequency response: 50/60HZ(Hz)
9) Interface: headphone jack output (3.5mm)
10)Support SD/TF card and USB stick, when SD/TF card or USB stick is plugged into, can play music in the card or USB stick directly                                       
11)Color: pink, white, black, red,etc
14)Accessoires: usb cable, audio cable, manual, gift box
With SD/TF card Slot and USB port