The Wireless Bluetooth Speaker Is Easy To Carry $ 13.10 Product information: Connection method: Bluetooth connection Frequency response range: 20Hz-20KHz Signal-to-noise ratio:75dB Effective distance: 15 meters Box material: ABS Product weight: 0.5 (KG) Color: blue, black, red, gray Packing list: Audio * 1 charging line * 1 instructions * 1