Features:
FM Transmitter for mobile phones，MP3/MP4 players.
Hands free talk function offer you more safety during driving.
LCD displayers frequency with backlight.
With Touch key design, high fidelity stereo.
Digital PLL, transmission is stable in different environments.
Full frequency range.
Memory for last frequency.
Powered by rechargeable built-in lithium battery, do not need to use the iPhone's power.
Blue LCD backlight display.

Specifications:
Frequency Range: 87.5 - 108MHz/Step
Cable Length: 30cm/11.81'' (Approx.)
Effective Range: 10m (Approx.)
Voltage: 5V
Color: Black

Packing included:
1 x FM Transmitter
1 x USB to Micro USB Cable