... available 5.ISO,CE Good Quality Mini Usb Laptop SpeakersDescription:Features:√ This digital speaker can ... DVD, iPod, Phone, GPS, PSP, mobile phone, notebook computer, U-disk and SD card/TF card, etc ... .√ Several power supple manners battery, computer USB adaptor DC-5V allow yu to enjoy the ... Power supply: 5V/1000 mA AC power adapter, USB power rotate connect line (can choose) Operation instruction ...