Bike Bicycle 4 Sounds Police Siren Trumpet Electronic Horn Bell 6 LED Rear Light. Easy to upgrade your old style speaker, amplifier, TV or car stereo system to Bluetooth hands-free wireless audio! Bluetooth Receiver mode: wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo/speakers/headphones/car stereo by the 3.5mm/RCA audio cable.
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