1. Three playback modes: Bluetooth, TF card, FM radio, providing a wide range of music listening options 2. Equipped with an analog warning speaker, it can alert pedestrians and vehicles during daily rides, making it safer 3. Long rectangular box acoustic design, with rich and full stereo sound quality, balanced bass and treble, clear sound field for outdoor riding 4. Installation is very simple 5. Voltage: 12V 6. Rated power: 20W x 2
