Car Bluetooth MP3 5V 3.1A Car Charger Supports A2DP/HSP/AVRCP

Feature: 1. Supports Line-in/Line-out /TF card. 2. LCD display car battery voltage. 3. Support WMA/MP3/FLAC format songs. 4. Support A2DP music playing. 5. Support hands free function, with MIC inside. 6. Car battery voltage display. 7. Supports A2DP/HSP/AVRCP.   Specification: Input voltage 12-24V Output voltage/current for charging function         5V DC/3.1A (share current)      Frequency 87.5-108.0 MHz Bluetooth V3.0 Supports format WMA/MP3/FLAC Bluetooth connect distances 5m   Car battery voltage function: For 12V car, voltage display of car battery under 11.5V or higher then 14.9V means a car battery issue. For 24V car, voltage display of car battery under 23.1V or higher then 27.3means a car battery issue. Package Included: 1 X Car Bluetooth MP3