7018B 7 Inch HD Bluetooth Car Stereo Touch Screen MP5 MP4 Display Long Version support RearviewDescription: After support、 Bluetooth MP5 reversing visual function It supports playback of AVI \/ JPEG \/ WMA \/ MP3 \/ format program Power and memory function in any state 4 * 50W maximum output power Built-in radio AM \/ FM tuner、 auto-search function storage units Touch function Bluetooth EQ sound control、 stereo、 left channel、 right channel choice Support SD card、 U disk player、 Operating voltage: DC12V   Specification:  Model:7018B Power supply voltage: DC 12V Speaker Impedance: 4 Ohm Maximum power: 50W * 4 Volume control: +\/- 8 dB (treble bass 100HZ 10KHZ) Dimensions: 160 * 178 * 53MM (D * W * H) FM tuning range Tuning Range: 87.5-108MHz IF frequency: 10.7MHz Applicable Sensitivity: 15dB SNR: 50dB Stereo separation: 30dB  Package Included:  1 X 7018B 7 Inch HD Bluetooth Car Stereo Touch Screen MP5 MP4 Display Long Version support Rearview 1 X Control 2 X Cable 1 X User Manual