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New MaximalPower USB & Bluetooth Adapter:

• BT39 Bluetooth FM Transmitter Car Wireless MP3 with 3.1A Car Charger

Features:

• Wireless transmitter phone call from mobile phone to car FM stereo system
• Switch to Hands-free mode automatically from music playing status when receiving call
• Built-in microphone
• Support music playing form USB Disk/Micro SD card
• Detect an display the voltage of car battery when power on 
• Incoming call number announcement
• Support last cal redial
• Digital Display,car battery voltage display
• Automatic power-off memory function
• Echo cancellation and noise suppression (CVC) technology during a call
• 90 degree rotation
• 14.4 inches Screen display
• Aluminum shell
• Aux input / output
• 2 USB Port
• Quantity: 1
• SKU#: 1836

Specification:

• BT protocol: A2DP, HFP, AVRCP
• Frequency range: 87.5-108.0 MHz
• Frequency stability: ± 10ppml
• Product input: 12-24V
• Music Formal: MP#, WMA
• Micro SD Card: 32GB max
• USB disk: 32GB max

Package includes:

• 1x FM Transmitter
• 1x AUX adpater
• 1x manual (English & Chinese)
• 1x instruction

Note:

• Accessory only.