Fm Radio Transmitter.OURSPOP SP06 Wireless Bluetooth In Car FM Transmitter With Dual USB Charging.Hands-free and Music Control (SP06) -Multifunction:music,hands-free calls,FM transmitter GPS voice navigation,Answer a call or refuse a call,Volume up/down. Last song/next song. Pause. Play etc. Easy to control your phones. -Built-in microphone and FM transmitter, full frequency: 87.5-108MHZ.Support Line audio input,With power off switch (USB direct connect) -Support USB drive mp3 playing and Also phone music.Can use USB drive to Playing music,release your phones, -Dual USB Charger,MAX 2.1A.Easy get your device power on.Support any devices like iPhone 6/6s,6 Plus/6s plus, 5 5c 5s 4s,iPad Air, Samsung Galaxy S6,S5,S4,S3 Note 4 3, HTC M9 M8 M7, LG Flex 2 G3 G2 -Echo cancellation and noise suppression (CVC) technology during a call,makes you enjoy a clear sound in noisy occasion.