1The FM transmitter incorporates CVC noise suppression technology, which can effectively reduce background noise to provide CD-like sound quality, with deep bass and no static. 2The built-in microphone with AEC lets you answer hands-free calls without distraction from driving. 3Advanced Bluetooth 4.2 technology maximizes device compatibility, pair speed, data transmission rate and connection stability between car FM transmitter and Bluetooth device. 4Support for QC3.0 and 5V/2.4A charging, support charging two devices simultaneously, better charging performance. 5Bluetooth connection allows wireless streaming of music from portable devices. Memory card slot for playing music or o books from memory cards; USB port with music icon for flash drives and music playback in MP3 and WMA formats. 6FM transmitter blends in any car interior perfectly and won't take much space. 7Large knob ensures easy operation and keeps you from having to take your eyes off the road to change songs/volume/answer or reject calls, etc.Condition: 100% Item Type: Car Hands-Free Player Material: ABS Color: As Pictures Shown Support FM full frequency point transmitting function 87.5-108.0MHZ Support dot big digital tube display Support U disk function Support memory card function (not included) Bluetooth answer, hang up, reject, redial the phone and other functions Support Bluetooth stereo music playback Support atmosphere lamp display Support for Qualcomm Rapid Charge3.0 output 5V / 3A Maximum Automatic power-off memory function Support AUX input function Support private answering Support for SIRI / for GOOGLESupport MP3, WMA, WAV format music playback Support navigation voice prompts Installation Steps: 1. Disassemble the A-pillar plastic gusset plate 2. Remove the white protection on the black film and tear off the protective paper on the transparent film 3. Please stick the black film on the hardware of the A-pillar and the transparent film on the glass (please keep the installation position of the plastic board) 4. Hold the black film and transparent film firmly, and fix the cable. 5. Replace the A-pillar plastic gusset, taking care not to break the black film, installation complete. 1 x Mp3 Player1 x Base1 x Bracket1 x Manual1 x GPS Locator1 x o Cable