Colour Name:Blue Features: LED Display the FM frequency/track Support multipoint connections: can connect two phones at the same time. Built-in FM transmitter, full frequency: 87.5-108.0 MHz Bluetooth hands-free kit, with built-in microphone Support USB disk and Micro SD card, support TF card Excellent voice quality, use the DSP (digital signal process) technology to echo cancellation With 3.5 mm line-in jack, support external audio devices Switch to hands-free mode automatically from music playing status when receives an incoming call Double USB charging ports for charging iPod/iPhone, Samsung, iPad, Nokia and other mobile devices(Output 5V/2.1A) Support 12-24V voltage from the car cigarette lighter Specifications: Color: Three colors for your selection: Deep blue, Red, Silver Size: 8.0 x 7.0 x 3.2cm Package weight: 2.1 oz/61g The audio cable length: 70cm Frequency range: 87.5-108.0Mhz Output Frequency: 20Hz-15KHz Supply voltage: 12-24V Rated current: 90mA Power consumption: 1W Work temperature: 0-50 degrees Support file format: MP3/WMA USB Charge output: 5V/2.1A Music format: MP3 format USB Maximum support: 32G Micro SD Maximum support: 32G Bluetooth version 2.1 + EDR Transmit distance: 10m Operating system: Win XP/Win vista/Win7 SNR¡§R60dB Package Included: 1 x Bluetooth MP3 Player FM Transmitter Hands-free Car Kit Charger 1 x Audio cable 1 x User Manual Warranty: Every Victop Product includes : Dispatch all orders within 24 hours on business day. Brand New, 45 Day Refund, 1 Year WarrantyGuarantee!