New Wireless Bluetooth Speaker Outdoor Portable Subwoofer Home Backpack Bathroom Mini Speaker Product parameters： Connection method: Bluetooth connection Frequency response range: 20Hz-20KHz Signal to noise ratio: below 60dB Number of speakers: 1 Effective distance: 10m Box material: Article number: LER-15 Color: black Power mode: USB Product sise : 9.5cm × 8.6cm ×4.3 cm/3.74×3.38×1.69 inch Product weight: 175g/0.38 Ib Gross Weight: 212g/0.47lbs Package Size:5.0x9.5x11.0 cm/1.97x3.74x4.33 inch Product description: Exclusive tool for music enthusiasts, the new generation, live restoration system, small body with large energy, low stress , and whole every cell of you Medium density box structure, reducing vibration and box generation, atmospheric, thick, and comfortable to Bluetooth fast connection, stable sound quality, and a pleasant experience without constraints Adhering to intention, embellishments for , like to each other's happiness, is to bear pressure together, and the convenient sound system helps you drive away The transmission distance is far, but if you change to another room to listen, it still smoothly Bluetooth fast connection, stable sound quality, and a pleasant experience without constraints Package Included: 1 x Bluetooth audio 1 × instructions 1 × data selection