Interface technology of sound 1 (0:02) Interface technology of sound 2 (0:03) Interface technology of sound 3 (0:03) This is a package of 10 new posts of call for well for the ring SMS. Internet projects, etc. Interface technology of sound 4 (0:01) Interface technology of sound 5 (0:01) Interface technology of sound 6 (0:01) Interface technology of sound 7 (0:02) Interface technology of sound 8 (0:02) Interface technology of sound 9 (0:02) Interface technology of sound 10 (0:02)