Specifications:
1) usage:
Only put  the carmp3 in wherever inside of your car, then turn it on and select the songs that you like, meanwhile, turn on the car radio(each car with its original FM radio) and adjust the band tuner to receiver the music, now you can enjoy the music coming from the car horn. It is very easy to do.

2)working theory:
When you turn on the carmp3, the built-in encoding chip and software switches the digital misic into audio signal and it can be received easily by your car radio through adjusting the band tuner.
Effective area covers 30m around.

3)with the following advantage:
A. Limitless times to download from Internet for the songs that you like. Different capacity such as:128m/256m/512m/1g for your selection. No need to buy CD any more.
B. Take advantage of car radio, no need to change or update your car video/audio system at all; without any harmful radiation to user.
C. Built-in a flash memory chip, can be used as USB memory or nomal MP3 as well.
D. Superior aseismatic system to guarantee the perfect music sound.
E. Mutil-format supporting: MP3 and WMA are compatible
F. Small size, light weight, colorful design, convenient for you in anywhere for music enjoying
G. Superior technic and best service: The product with colorful screen only supplied by ours now. And we guarantee the quality for 2 years.