BASEUS T-TYPED BLUETOOTH 4.2 FM TRANSMITTER, 2X USB Multifunctional FM transmitter The FM transmitter is a multifunctional device . The used bluetooth technology enables wireless connection of 2 phones at the same time and music playback. All you need to do is connect the phone to the transmitter and then adjust the appropriate radio frequency. The USB ports allow both charging devices ( max. 3.4 A ) as well as playing music from a USB flash drive. Thanks to the microSD slot, it is possible to play music from a portable memory card . The built-in microphone and a special button for answering calls serve as a speakerphone for making calls. The device can also be used as a car navigation voice amplifier . All necessary information is displayed on the built-in LED display . Specification: Manufacturer: Baseus Model: T typed Bluetooth MP3 charger Product code: CCTM-01 Material: PC Power: 12-24V car cigarette lighter socket Color: Black bluetooth version: 4.2 Radio/bluetooth range: 5 m / 10 m Charging current: max. 3.4A FM radio range: 87.5 - 108 MHz Supported formats: MP3, WAV, FLAC, WMA Audio connections: USB, micro SD