Features:
Bluetooth Specification V2.0
Supports advanced audio distribution profile
Off time display function
Digital high-quality FM stereo radio
Preset 18 stations ( frequency: 87.5-108 MHz )
Support USB / SD / MMC card reader
Support Audio: MP3 / WMA / APE / FLAC / WAV etc.
Support folder function
Support breakpoints and ID3 Play
Support remote control
Rotary volume control
MP3 randomized, 10 track up / down playback
Electronic control volume treble, bass, balance and fader
Multiple EQ scene selection: Jazz, rock, pop, classical, etc.
Mute and loud control
L / R RCA audio output jacks
4-channel high power output ( 4 loud speaker )
Support modes: BT / APE / WAV / WMA / MP3 / FM
The remote control battery ( included ): CR2025 3V

Specifications:
FM Radio
Tuning Range: 87.5 - 108.0MHz
Sensitivity: Less than 20db
Stereo Separation: More than 25db
SNR: More than 60db

Some Playback
Music format support: MP3 / WMA
Display format: ID3 display
Distortion: Less than 0.3 percents

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 ohm
Frequency Response: 20 - 20000Hz

Fuse
Red: 1A
Yellow: 15A

Type: Car MP3 Player
Special Function : FM Radio, Bluetooth, Hands-free calls, MP3 Player, USB flash disk Output Power : 4 x 60W
Voltage : 12V Music Source: SD card, 3.5mm stereo headphone jack, Cellphone, Flash drive
Built-in EQ: Rock, Classic, Pops, Jazz
SNR (dB): 60db
Degree of Distortion (%): 0.3%
FM Channel: 87.5 - 108.0MHz
Bluetooth Version: 2.0
Media Format : WAV, WMA, Mp3 Array
Package weight: 0.642 kg
Product Size (L x W x H) : 18.3 x 13.3 x 5.8 cm / 7.19 x 5.23 x 2.28 inches
Package Size (L x W x H) : 22.0 x 18.5 x 8.0 cm / 8.65 x 7.27 x 3.14 inches

Package Contents:
1 x JSD - 520 12V Bluetooth V2.0 Car Audio Stereo MP3 Player Radio In-dash Support USB AUX Input with Remote Control FM Radio Receiver,
1 x Remote Control,
1 x Wire,
1 x Installation Tool Set,
1 x User Manual