B99 Portable Outdoor Portable Bluetooth Speaker $ 27.16 Product information: Bare metal size: 346 * 126 * 190mm Fm frequency: 87.5-108MHz Speaker: 3Q10W 3-inch external magnet Output power: 2 * 10W Charging input: DC 5V 1A Battery: 3.7V 1500mAh Frequency response range>80Hz-18KHz Channel: 2.0CH Signal to noise ratio:>80dB Power mode: USB Bluetooth version: 5.0 Packing list: Speaker+data cable+manual Product Image: