Generic 4 in 1 Multi Bluetooth 4.0 Speaker, with Flashlight, Power Bank and TF Function (Gray) High Quality: Use Aeronautical Materials, waterproof, prevent wear, shockproof and dust-proof. Perfect for Outdoor: Portable size-156 * 51 * 51mm, 260g, and there is a position for Carabiner, so you can hang it in the packbag. 4 in 1 Multifunction: Bluetooth 4.0 Speaker, Power Bank, Flashlight and TF Reader 4 functions together. HD Stero: Passive resonance membrane and 16 core formed alloy horn gives you pleasant Hi-Fi sound. Package content: 1 * Bluetooth 4.0 Speaker; 1 * USB Cable; 1 * Manual; Our worry-free 18-month warranty