Outdoor Special Blend, Powerful Sound Effects: Overall sound has stronger bass power and is thick and full, Better meets outdoor music listening needs. Full metal casing, all parts are sealed and processed: Forms a stable and rigid structure to prevent metal-to-metal collisions from generating vibrations Equipped with large- diameter speakers and high-power digital amplifiers. Small size can also explode beyond the size of the great sound energy. High-density zinc alloy body, 5-sided seamless diecasting, low-saturation mountain system color scheme, three-spray three-paint baking finish for premium texture and solid weight. Compact size, easy to hold with one hand. it's not just an outdoor speaker for on-the-go, but also a mountain-style accessory. Smart Touchscreen: Many functions are controlled by the control of incoming calls, listening to music and playing rich functions. Color:Black Material:Plastic+Metal Package Contents: 1 * Speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.