Features:
- Built-in Bluetooth V2.0, microphone.
- Support hands-free calls function.
- Support advanced audio transmission mode.
- Clock indicating while power is off.
- High-definition digital stereo FM radio.
- Support three-band radio store FM1 - FM2 - FM3, can preset 18 radio stations (Radio frequency: 87.5 - 108MHz).
- Support USB / SD card reader, up to 32G (not included).
- Support audio: MP3 / WMA / WAV / APE formats and so on.
- Support folder play function.
- Support break point memory and ID3 play.
- A key mute, remote control and the machine has a key mute button, convenient to use when needed.
- Remote control function.
- MP3 play supports pause / preview / repeat / random play and 10 tracks up / down selections.
- Electronic type bass / treble, left and right, front and back, channel separation, volume control.
- Multiple EQ scenario mode choice: Jazz, rock, pop, classic, etc.
- Support mute and equal loudness control.
- Front AUX audio input hole and rear terminal L / R audio RCA output hole.
- 4 track high-power output (4 high-power loudspeakers) 50W x 4.

FM Radio
Sensitivity: 22db
Medium frequency: 10MHz

Some Playback
Music format support: MP3 / WMA
Display format: ID3 display

Power Supply
12V Machine: 11 - 16V
Note: This machine is 12V machine, not according to the 24V power supply

Audio
Operating temperature: -20 - 60 deg.C
Quiescent current speaker impedance: 4 - 8ohm
Frequency Response: 20 - 20000Hz

Remote Control
- Build-in lithium cell: CR2025 3V
- Remote range: 5m Model: 1131B
Type: Car MP3 Player
Features: Breakpoint memory playing,Fast forward (FF)/Fast rewind (REW) playing,One-click folder playing
Color: Black
Material: Electronic Components,Metal,Plastic
Installation Space: 1-DIN Output Power: 4 x 50W
Voltage: 12V Music Source: 3.5mm stereo headphone jack,Cellphone,SD card,USB flash disk
Micro SD/TF Card Expansion (Max.): 32G (not included)
Built-in EQ: Classic,Jazz,Pops,Rock
SNR (dB): more than 60db
Bluetooth version: 2.0
Bluetooth protocol: A2DP
Transmit Distance: 10m
Media Format: MP3,WAV,WMA 0.566 Package weight: 0.618 kg
Product size (L x W x H): 18.00 x 12.50 x 5.00 cm / 7.09 x 4.92 x 1.97 inches
Package size (L x W x H): 21.00 x 18.00 x 7.50 cm / 8.27 x 7.09 x 2.95 inches Package Contents: 1 x 1131B 12V Car Audio Stereo FM Bluetooth V2.0 USB SD Mp3 Player, 1 x Remote Control, 1 x Wire, 1 x English User Manual