Safe UseThis product is safe to use. The live wire circuit has its own fuse and the host has automatic power-off function. Waterproof levelLevel 4 waterproof (splash-proof type) will not be damaged by water splashes in any direction (Be sure the waterproof cover is closed) Multiple ModesIt can play music from TF card/AUX cable/USB interface (not included), easy to use, and supports MP3/WMA music format. High QualityDouble waterproof motorcycle stereo speakers sound bar with aluminum shell, also high-performance sound amplifier. Quick PairingEquipped with V2.1 EDR, blue tooth supports stereo music games, can quickly pair with any smart phone. Adjustable support, suitable for any motorcycle handlebar The motorcycle speaker has multiple protections to ensure safe use, such as surge protection, reverse connection protection, and short circuit protection. LED display, FM radio design, 18 predefined radio stations for your choice. Name: Motorcycle blue-tooth Audio/Radio/MP3 Music Player Color: black, silver, gold Applicable models: GM Audio kit includes: a host (including power cord) and installation tools Size: 10.2*3.1*3.1 in/26*8*8CM Weight: 610 grams Material: metal all aluminum Parameters: 12V DC power supply, output power is about 7Wx2 1*blue-tooth speaker