Special portable notebook speakers,less than 20 cm in length,width and thickness are in 2 centimeres,can easiy put on the computer bag inside,carry out very convinient. . Asmall portable outstanding,plastic mirror surface technology,feel is smooth and exquisite. . Very simple shape,whole shows runner,and at the same time,using a smooth curve. . Use the computer USB power supply,more convinient and practical with low carbon environmental protection. . Small stents can 90degree turn.Little support level can be put on the table with sound box flat on the copter,and support the vertical can be cught in the notebook computer speakers LCD scrreen.