36V 48V Electric Scooter Stereo Sound System Waterproof MP3 USB Radio with Bluetooth Function Description: WaterproofDurable and convenient.Simple design and easily replace your vehicle lights.Remote control、 anti-theft alarm、 compatible with MP3、 Fm tuner、 TIF card、 USB port. Specification: Model:JM-728￠ò-48Waterproof: IP4Material: ABS PlasticSpeaker: 2.5 inch speakerLength of power line: 350mmLength of FM radio antenna: 500mmLength of horn line: 350mmSpeaker Colors: Black / Red / BlueRated voltage: DC20V-58VFrequency: 1KHz-15KHzMaximum SPL: 106db (1 meter)Sound channel: Two-channelHost size:80mmx50mmx20mmRated Power: 10W+10W(8Ω)Main Function: Bluetooth Mp3、 Bluetooth Phone Handsfree、 Support USB/TF Card、 FM RadioSuitable for Motorcycle、 Scooter、 Cub-type Motorcycle、Harley Scooter with DC 36V or 48V Package Included:  1 x Host2 x SpeakersSome Screws