Listen to your favorite music or audio while Charging your device at the same time with our innovative iKross FM Transmitter. Enjoy the convenience of FM wireless audio transmission, handsfree calling, and USB device charging from one device. Convenient 3 In 1 Features: FM Transmitter, Hands-Free Calling, Micro USB Cable and Single USB Port Charger 1A/5V. Full frequency range design effectively avoids interruptions. Wide Frequency Range from 88.1MHz-107.9MHz Handsfree voice calls through the car audio system when using your phone connected via the 3.5mm jack cable. Crystal Clear LED Display shows the FM Channels USB Output: 5V 1A Package Content: FM Transmitter with car charger, 1x User"s Manual Compatibility iPhone, iPod, iPad, Smartphone, Cellphone, MP3 Players, Tablets and other devices with 3.5mm audio jack Note : USB Data / Charging cables are not included. You will need to use your own USB charging cable to charge.