1. LCD screen,support FM full range frequency radio. 2. Adopt high fidelity stereo circuit design 3. Fashion, waterproof, shockproof 4. Digital circuit design, energy-efficient, low standby power consumption 5. With USB output, charge mobile phone and electric devices any time. 6. Electronic turn on/off, volume control 7. Fit any motorcycle with 12Volt 8. -Speaker size: 8.67x7.5x7.1cm, wire about 52cm -Host size: 12.6x5.4x6.3cm, wire about 45cm -Remote control Size: 5.8x3x1.2cm