4inch  Waterproof Marine Stereo MP3 player With Bluetooth for Motorcycle Boat YATCH SPA  ATV 

Main features:

1. MP3/USB

2.AUX input

3.Radio FM AM

4.Aux/RCA input

5.RCA output

6.Bluetooth Music Functionality

7.Clock/24 Hour

8. USA and European Radio Frequency

9.Bass/Treble/Balance

10.4X 40W amplifier

11. Power supply: DC 12V

12.Waterproof Level :IP66 Standard)

13.Meets ASTM 117 salt/fog standard

14.Solid aluminum chassis

15.Rubber Tactile Action Control Buttons

16.High Definition Positive LCD Display

17.Bright LED illumination