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► Specifications
IP rate
Dimensions
Weight
USB connection
Battery
Memory
Audio fi les compatible
File format
Output level
Frequency response
S/N
Distortion
Operating environment
operating time
► Troubleshooting
Problem
Key are not working
Stop suddenly while playing
Power turns off
No sound from speakers
Impossible to add music
Computer does not detect the RS4
Failure to play some mp3 fi les
IPX8
124 x 33 x 150 mm
22g
USB 2.0
Lithium 190mAh
4GB
MP3 8bps~320Kbps, WMA 32Kbps~192Kbps
FAT16, FAT32
100dB max.
20Hz-20KHz
>70dB
<0.1%
-5°C~40°C (41°F~104°F)
About 10 hours
Be sure that the battery is fully charged.
Check the volume level.
Check audio fi les.
Check USB connection.
Check the memory capacity.
Check USB connection.
Restart your computer and connect your RS4 alone only.
Make sure that the mp3 format is compatible and not
damaged.
Solution