Callstel Bumper for iPhone 4/4s with integrated FM transmitter

Whether in the car, office, or at home: your music now plays everywhere. This bumper features a built-in FM transmitter that allows you to send music from your smartphone directly to the nearest radio.

Simply download the appropriate app for free, turn on the FM transmitter, select a frequency, and start playing your music. You'll be the radio star in no time.

Of course, the perfectly fitting and lightweight 14 g protective case offers reliable protection against minor bumps, scratches, and wear on the sensitive sides of the device.

With the included USB cable, you can also transfer data or charge your smartphone's battery.

• FM transmitter hidden in the bottom
• Perfect fit: tailored for iPhone 4, 4s
• Excellent protection against minor bumps and wear
• Easy to use: insert iPhone, install app, done
• Frequencies for music enjoyment freely selectable
• Includes USB cable and German instructions.