i.Sound ISOUND-1639 Smart Tune FM Transmitter

• Fits iPad(R)/iPhone(R)/iPod(R), smartphones, MP3 players and any audio device with a 3.5 mm audio input ;• Touch-key design;• Works at home or in the car ;• Hi-Fi sound transfer and stable transmission ;• Powered by rechargeable built-in lithium battery so it doesn't drain battery of audio device ;• Hands-free talk function offers more safety while driving ;• High-fidelity stereo with full frequency range;• Memory for last frequency ;• LCD displays frequency with backlight ;• Includes car charger;