Motorcycle Bluetooth Audio with Audio System Waterproof Stereo Speakers FM Radio Handsfree MP3 Music Player USB Charger -- Motorcycle Bluetooth Compatible Audio System Sound Waterproof Stereo Speaker FM Radio with Handsfree Mode MP3 Music Player USB Charger Features: 1. Wireless Handsfree Bluetooth Compatible Motorcycle Audio (Head Unit + 2 X Speaker) 2. High-quality stereo design, large LCD display with clock function 3. Allows you to listen to MP3 music from your Bluetooth-compatible device or FM radio without cable connection 4. Bluetooth-compatible synchronous transmission, you won't miss the sporting event rebroadcast, special information flash when you are in way 5. Supports MP3 music from USB or TF card (does not support external 3.5mm connection of MP3 players or tablet etc., there is no speaker) 6. Support full-band FM channel (AM band is not available) 7. Built-in high-speed microphone sensitivity to handle calls in hands-free mode 8. It has warning ringtone when phone rings, voice prompt when changing oacute mode 9. Remote control has built-in AUX input and background light in dark conditions Specifications: Main unit main control board Working voltage: DC 12V Working current: Max 3A Output power: 2x18W Music frequency: 100Hz-20kHz FM frequency band: FM 87.5 - 108MHz Working temperature: -30 ~ + 60 Remote control distance: 100 meter oacute;w Anti-theft range: 100M MP3 Range: 30M FM Frequency Range: 87.5-108MHz Size: 110*60*25mm/4.33*2.36*0.98" Speaker Material: Metal and Plastic Speaker Color: Red Speaker Size: 80x10 5mm/3.15x4.13" Sound system support: TF/USB/Mp3/bluetooth/FM/AUX Rated voltage: DC 12V/3A Output power: 2x10W Output frequency range: 20Hz-20kHz Notes: 1. There may be slight size deviations due to manual measurement, r oacute; various measurement methods and tools. 2. The picture may not reflect the actual color of the item due to different shooting light, angle and monitor. 1 X Main Unit 2 X Speakers 1 X Remote Control 1 X Bracket Main Unit 1 X Cable Main Unit 2 X Speaker Brackets 1 X Main Unit Bracket Gasket 1 Set X Accessory Screw 1 X user manual