Specifications:Bluetooth FM Transmitter: transfer music from mobile phones, USB flash drives, TF cards, and MP3s to car audio playbackYou can charge your phone/tablet smartly via the USB interface.The phone can be used for hands-free calling via Bluetooth.You can read the U disk through the USB interface, or read the TF card in the card slot.High-fidelity stereo with DIGITAL, PLL phase-locked loop technology.LCD display frequency, selection is more convenient.Full frequency point transmission (up to 200 frequencies can be selected).With power-off memory, it can store the currently playing frequency.Direct button, play/pause, previous/next song.Type: Car Bluetooth KitMaterial: ABSBluetooth Version: 3.0Bluetooth Sound Processing: A2DPRated Working Voltage: 12V - 24VUltimate Working Voltage: 9V - 26VConsumption Rate: 1WWorking Temperature: 0-50 Degree CelsiusSignal to Noise Ratio: >60dBDistortion: 60dBSupport Memory Card: TF Card & U Disk (Not Included)Features: LCD Display, USB Charger, Handsfree Call, Music PlaybackSize: 11.5cm x 8cm x 4.7cm/4.53" x 3.15" x 1.85" (Approx.)Notes:Due to the light and screen setting difference, the color of item may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Car Bluetooth Kit1 x User Manual