Kalttoy 25W Car Bluetooth Subwoofer Hi-Fi Bass Amplifier Board Audio TF USB 220V/12V/24V

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Features:
1.Play MP3 music from TF card, U disk, bluetooth.
2.Remote Control: Full function. With number key it can directly control.
3.Self-equipped with switch.
4.Fit for all vehicle

Specification:
Bluetooth version: 2.1+EDR
Input Volatge: AC 220V ,DC 12V / 24V
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