The 610S Wireless Bluetooth Handsfree Car Kit FM Transmitter Modulator MP3 Player has a sleek modern design that complements your car interior. It plugs directly into car cigarette lighter to get power supply. This all-in-one car kit perfectly integrates handsfree calls, FM transmitter, Bluetooth, USB charger and MP3 player. In this way, you can do a lot more through your car stereo system. Built-in microphone allows you to speak to callers without picking up the phone when you are driving. A remote control is included for added convenience. Features: Integrate handsfree calls, FM transmitter, Bluetooth, USB charger and MP3 playerWirelessly deliver phone calls from Bluetooth-enabled smartphone to car stereoBuilt-in microphone allows you to speak to callers without picking up the phoneFull duplex and DSP technology, Excellent sound qualityEcho cancellation and CVC noise suppressionSupports A2DP playbackLCD screen displays name of the song, soundtrack and caller numberBuilt-in decoding chip, play music from USB flash drive and SD cardSupport MP3/WMA music formatWell-positioned buttons for quick music and call controlOffer a USB port for cellphone or tablet chargingLine in function, connect to MP3/MP4 players via 3.5mm audio cableDirectly plug into cigarette lighter for power supplyCome with a remote control for added convenienceSleek modern design, easily fit in the car Specifications: Rated voltage: 12-24VLimit voltage: 8-36VPower Consumption:0. 5WWorking temperature: 0-50CAudio Format:MP3/WMA SNR: