Motorcycle Bluetooth Audio with Audio System Waterproof Stereo Speakers FM Radio Handsfree MP3 Music Player USB Charger -- Motorcycle Sound Audio System Waterproof Stereo Speakers FM Radio Hands-free MP3 Play Music USB Charger Features: 1. Wireless motorcycle audio handsfree kit (main unit + 2 X speaker)2. High-quality stereo design, large LCD display with clock function3. Allows you to listen to MP3 music from your device or FM radio without cable connection4. Synchronous broadcasting, you won't miss the sports event rebroadcast, special flash information when you are on the go5. Support MP3 music from USB or TF card (Does not support external 3.5mm connection of MP3 players or tablet etc., not being a speaker)6. Support full band FM channel (AM band is not available)7. Built-in high-sensitivity microphone for hands-free calling8. It has warning ringtone when phone rings, voice prompt when modes change9. The remote control has built-in AUX input and background light for dark conditions Specifications: Unit main control board Operating voltage: DC 12V Operating current: Max. 3A Output power: 2x18W Music frequency: 100Hz-20kHz FM frequency band: FM 87.5 - 108MHz Operating temperature: -30 ~ + 60 Remote control distance: 100 meters Anti-theft range: ge; 100MMP3 Range: ge; 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, different measurement methods and tools.2. The image 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 Main Unit Bracket 1 X Main Unit Cable 2 X Speaker Brackets 1 X Main Unit Bracket Gasket 1 Set X Screw Accessories 1 X User Manual