Car Motorcycle Yacht Sauna with Bluetooth MP3 Player Waterproof Sound

Product features:
Super waterproof design, fine workmanship, with LED LCD screen.With bass and treble adjustment.Can be used for motorcycle, yacht audio modification, home bathroom audio modification, sauna room to install.
Product specifications:
AM/FM parameters (1)
1. Frequency range FM:87.5-108 MHz AM:522-1620 KHz
2. Intermediate frequency: 10.7mhz
3. Noise limit sensitivity < 5uV
4. If suppression < 50dB
(2) MP3 parameters
1. Signal-to-noise ratio > 55dB
2. Response frequency: 20-20 KHz
3.A/D conversion filter: 16 bits
The audio and other parameters
1. Output: 4X15W
2. Input: DC12V
3. Load impedance: 4-80hms/ channel
Product instructions:
1. Long press the POWER button to turn the device on or off
2. Press MODE key to select function AM/FM/USB/AUX.Where AM and FM are radio functions, USB and AUX are audio playback functions.USB function should be selected when using USB flash disk to play music, and AUX function should be selected when using AUX cable to play music in mobile phone.
3. Use the VOL+ VOL- key to control the volume.
4. The key BAND can be selected between AM and FM modes
Press BAND to pause while playing MP3
5. Long press MODE for 2 seconds to enter the BASS, Treble and speaker Balance MODE. Press MODE again to select between BAS/TRE/BAL.
Select bass BAS or treble TRE, and press the volume adjustment key VOL+VOL- to adjust it.
After selecting horn balance BAL mode, the left and right horn volume distribution can be adjusted through the volume adjustment key VOL+VOL-.
In MP3 mode, press "train" to select the next or last song.Long press can fast forward or backward in 2 seconds.
7 in the radio mode by pressing the train frequency, or long press the train frequency automatically sweep after 2 seconds.
Product installation instructions:
1. The installation is very easy to use and trouble ACC red line can be directly and yellow wire to the positive, the black it is ok to connect the cathode, eight root the same color line used to connect two four horn, horn number can be selected according to you need to connect, concolorous loudspeaker cables will have a line in the middle with a very fine black line, connect the speaker the cathode, and a positive connection horn