Waterproof Motorcycle Bluetooth Compatible Audio System FM Radio Stereo Speaker SD TF Play MP3 USB Charger with Screen Speaker Features: 1. Fashionable semi-galvanic speaker with pentagram design; 2. Polished plastic surface, new as always;3. Full waterproof design, fine process and perfect design; 4. Smooth hemisphere-shaped speaker, a great accessory for your motorcycle; Features: 1. Display screen2. Bluetooth3 compatible playback function. Bluetooth4 compatible phone call function. Phone answer and cancel function5. With mobile phone charging function6. Turn off memory function7. Waterproof function8. FM9 radio function. USB10 playback function. TF11 card play function. Play/pause function12. Host device telephone call function Technical data: Audio host size: 120x60x60mm/4.72x2.36x2.36" Speaker size: 100x85x85mm/3.94x3.35x3.35" Gross weight: 600g Speaker color: black + silver Output power: 2x15W Rated voltage: DC 12V Output frequency range j : 20Hz ~ 20KHz Operating temperature range: -30 ~ + 60 ℃Bluetooth compatible control distance: ge; 6 meters With mobile phone charging current: 800mA standby current: 15mA 1 x Host machine 2 x speakers 1 x power line 1 x pair of speaker brackets 1 x pair of host machine brackets 1 x user manual