Fashion design: 1.44 -inch LCD display with blue backlight, car FM transmitter can clearly show the call number, connection information, the volume, frequency and song name (from the Micro SD card or USB flash play).The hose can be adjusted for optimal Angle and easy to use (340 rotation). Crystal voice with hands free conversation: bluetooth 3.0, the stability of the FM signal, the voice of the enhanced performance and built-in microphone and noise elimination of CVC technology makes wireless FM transmitter used for crystal music perfectly and hands-free conversations.You can enjoy high performance stereo music in your car. USB ports: dual USB charger and a music reader, designed for ios and Android smartphones, electronic devices and reading music files.(for faster charging, use the USB port of ios to charge only for the iPhone.) Music playback mode: play music from bluetooth device by FM signal;From TF card (highest to 32GB), music, support MP3, WMA and other documents;Transmit music from USB flash drive;From MP3/MP4 player, tablet to car stereo system, through 3.5mm audio cable. General compatibility: bluetooth car FM transmitter for voice prompt, used for GPS navigation and memory function, used for the final pairing bluetooth devices and songs, with the iPhone, samsung, HTC, LG, blackberry, SONY, nokia, one plus, the compatible with other bluetooth devices. Features: 1. Support frequency modulation 2. Support incoming call/rejection (LCD screen display phone number and voice report) 3. Support hands-free call or mobile phone reception switching 4. Support the phone number to be called at the end of the phone 5. Support music pauses/playback 6. Support tuning/lower music, volume +/ -7. Support U disk/TF card for broadcast music 8. Support U disk/TF card/bluetooth/audio mode conversion Features: 1. Support frequency modulation 2. Support incoming call/rejection (LCD screen display phone number and voice report) 3. Support hands-free call or mobile phone reception switching 4. Support the phone number to be called at the end of the phone 5. Support music pauses/playback 6. Support tuning/lower music, volume +/- 7. Support U disk/TF card for broadcast music 8. Support U disk/TF card/bluetooth/audio mode conversion Chip model QN8027 Bluetooth version V3.0 Bluetooth chip mountain view Transmission frequency: 87.5-108.0MHz Frequency: 20-20K MHZ Distortion: 2% Channel isolation: 75DB Bluetooth effective distance: not equal to 8m FM valid range: less than 5m Support read usb flash drive: maximum support of 32gb Support read TF card: maximum support 32gb Input voltage: 12-24v Output voltage: 5V USB1 output 5V/2.4A MAX USB2 output voltage fast charge 5V 9V 12V MAX (QC3.0 QC2.0 FCP) Specification Custom General Model: FM35S Type: Car Cigarette Lighter Features: Breakpoint memory playing,Wide voltage design Rotation Angle: 340° Language: English Connection: Bluetooth Interface: USB 2.0,TF Card Slot,3.5mm audio jack Compatible with: MP3 Material: Plastic Power Voltage: 12 - 24V Product Details Music Source: TF/Micro SD Card,USB flash disk,3.5mm stereo headphone jack,Cellphone Micro SD/TF Card Expansion (Max.): 32GB U-Disk Expansion (Max.): 32GB Degree of Distortion (%): 2% Freq. Response: 20-20K MHZ FM Channel: 87.5-108.0MHz Bluetooth Version: V3.0 Bluetooth protocol: A2DP Media Format: MP3 Dimension and Weight Product weight: 0.0890 kg Package weight: 0.1400 kg Product size (L x W x H): 5.00 x 8.00 x 16.00 cm / 1.97 x 3.15 x 6.3 inches Package size (L x W x H): 10.00 x 6.00 x 13.00 cm / 3.94 x 2.36 x 5.12 inches Package Contents Package Contents: 1 x FM35S CAR MP3, 1 x English specification