4-in-1 Hands Free Wireless Bluetooth FM Transmitter G7 + AUX Modulator Car Kit MP3 Player SD USB LCD Car Accessories
Features: 
Bluetooth FM transmitter: send the music of mobile phones / U disk / TF card to car audio.
Polish and painted process, fashion and simple design.
Car charger: charge mobile phone/tablet through the USB interface, max output up to 2.5A.
Bluetooth hands-free function.
Car USB, can read via USB U disk, or via TF card slot.
Hi-Fi stereo, adopt the DIGITAL, PLL phase-locked loop technique.
LCD display FM frequency and voltage, more convenient to use.
All frequency point emission (up to 200 frequency can choose)
Specification:
MaterialABS
ColorGolden
Bluetooth VersionV2.1+EDR
Bluetooth Sound ProcessingA2DP
FM Frequency Range87.5-108.0MHz
Response Frequency20Hz-15KHz
Audio FormatMP3/WMA
Distortion0.1%
SNR>60dB
USB Output5V / 2.5A
Working VoltageDC 12V-24V
I/O1*USB 2.0; 1*3.5mm headphone jack; 1*TF card input, up to 16GB max
Item Size8*2.5*9.7cm / 3.1*1*3.8"
Net Weight0.045kg / 1.6oz
Package included: 
1x Car FM Transmitter Bluetooth Gold Color