This speaker is easy to connect, it has stereo surround bass. You can enjoy the music anywhere with it. Features: This speaker is easy to connect, it has stereo surround bass. Support TF card and USB disk. Portable size, easy and convenient to carry. This speaker is IPX4 waterproof, but cannot throw it into water. Noise reduction for better music experience. Specifications: Item type: Speaker Main material: Plastic Color: Camouflage, red, green, blue, black, orange, silver(optional) Transmission distance: 10m Frequency response: 100HZ-20KHZ BT version: 3.0 Speaker driver: 52mm * 2 Speaker power: 5W * 2 Interface type: card reader SNR: ≥75dB Connection type: BT Package weight: 500g / 1.1pounds Package size: 185 * 85 * 85mm / 7.28 * 3.34 * 3.34inches Package list: 1 * Speaker 2 * Cables 1 * User manual