This device releases stream music and calls directly from your Bluetooth device to your car FM stereo system. The built-in microphone provides you with an amazing hands free function, it is also with a Micro SD card/USB Disk slot that lets you enjoy favorite MP3 and WMA tunes by your car`s stereo system

Feature:

• Wirelessly transmit phone call from Bluetooth mobile phone to the car FM stereo system
• Switch to hands-free mode automatically from music playing status when receiving calls
• It has Built-in Microphone
• Dual USB outpus 5V/3.4A totally, charges iPod, iPhone, iPad and other devices
• Support USb Disk/Micro SD Card
• Strong and elegant deign with LED frequency display

Specifation:

• Model: BT20
• Bluetooth Version: AC4601 V2.1
• Bluetooth Protocol: AVRCP, HFP, A2DP
• Freqency Stability: ±10ppml
• Product Input: 12-24V
• Music Format: mp3, wma
• Micro SD Card (Max Capacity): 32GB
• Product Total Output: 5V/3.4A
• Loop Mode: Normal, Single Cycle, Repeat All, Random
• EQ: Classical, JAZZ, POP, ROCK, Vocal etc.
• Product Dimension: (L x W x H) 4 x 3.5 x 8.5 cm
• Product Weight: 0.034 kg
• Package Dimension: (L x W x H) 7 x 4.5 x 15 cm
• Package Weight: 0.060 kg

Product include:

• 1 x Dual USB Bluetooth Handsfree Car Kit With FM Transmitter And MP3 Player - Black
• 1 x User Manual