OKIT Car FM Transmitter 3.5mm Audio Output MIC USB Double Charging

OKIT Car FM Transmitter 3.5mm Audio Output MIC USB Double Charging Description: Perfect audio transmission function. Keystone 3.5mm universal, Compatible with Apple HTC Samsung cell phone mic USB cd and MP3 / MP4. Provides hands-free calls through your car speakers. (3.5 mm needs to be connected with the audio) in the entire frequency Range designed to effectively avoid interruption. USB output to charge mobile phones, GPS and other devices. Specifications: Material: plastic Current: 800 (FM transmitter) Voltage :12-24 (V) Transmitting frequency :88.1-107 .9 (MHz) Frequency Response :20-20K (Hz) Distortion: 1 (%) Effective range: 5 (m) Left and right channel isolation: 45 (dB) Package Included: 1 X USB Cable 1 X Car FM Transmitter