Hands Free MP3 Music USB Charger Micro SD bluetooth Car FM Transmitter

Feature:1. Memory function: Fast bluetooth pairing. Once paired, the FM transmitter will automatically reconnect with the last paired smart device when turned on next time.2. Hands-free Calling: bluetooth for Hands-free/answer/calling.3. Easy to Use: Plug it into the socket, turn your car FM radio on, find an empty radio station, and match it to the transmitter. Then you can pair it with your phone for music.4. Voltage Detection: The car voltage is showed on the digital display for monitoring easily5. Dual USB ports Car Charger which Output 5V/3.4A total fast charge your phone and other devices at the same time.6. Universal Compatibility: bluetooth Transmitter works well with most bluetooth enabled devices, and this FM transmitter also works with micro sd, tf card or mp3, mp4 players/WMA/FLAC format music.7. Equalizer Sound Quality: This buetooth transmitter for car adopted advanced interference and noise cancellation technology - CVC technology which creates full duplex sound and suppresses noise and wind.Specification:Input Voltage: 12~24VOutput Voltage: 5VCurrent: 3400maSensing Distance: 5mbluetooth Core: 4.1Material: ABS plasticColor: BlackUSB: Dual USB portsFM: YesSize: 34mm(D)*87mm(L)Package Included:1 X bluetooth FM Transmitter with Dual USB Charge Ports