Specifications:Frequency: 87.5-108.0 MHZ.
Frequency Stability: ±10ppmI (0℃-+45℃).
Output Frequency: 20HZ-20KHZ.
Supply Voltage : 12-24V.
USB Charger output: 5V/2.1A.
Music Format: MP3 Format.
USB (Maximum support): 32GB.
SD (Maximum support): 32GB.
Transmit Distance: >10M.
Operating system: Win xp/Win vista/Win7.
MP3 S/N RATIO: 60-70dbm.
MP3 BITRTE: 32KPB-320KPBS.
Size:5.8cm x 4.5cm x 2cm - 2.28inch x 1.77inch x 0.78inch.
Features:Wireless transmit phone call from Bluetooth mobile phone to the car FM stereo system.
Built-in FM transmitter, full frequency: 87.5-108.0MHZ.
With built-in microphone and automatically calling-number system.
Supports USB disk and SD card,A2DP function.
With 3.5mm line-in jack, support external audio devices.
Switch to Hands-free mode automatically from music playing status when receiving calls.
Supports 4 loop modes: Repeat all, Random, Repeat one, Folder 5 EQ for optional: Natural, Rock, Pop, Classic, Jazz.
USB charging port for charging iPod/ iPhone, iPad and other mobile device. (output: DC 5V/2.1A).
Support 12-24V voltage from the car cigarette lighter.
Strong and elegant design with LCD screen display, just support number displaying.
Flexible metallic hose adapted for any type of autos.
With infrared remote control, easy operation.
Package included:Bluetooth FM Transmitter
1 x Manual
NO Retail Box. Packed Safely in Bubble Bag.