Portable Bluetooth Speaker Multifunction Bass Subwoofer

Description:
Color: black, silver, gold (optional)
Program: Jerry
Bluetooth version: V4.2
Support Agreement: Bluetooth Module
Frequency response range: 100HZ-20KHZ
Output power: 4Ω3W*2
Speaker: Speaker *2 + diaphragm *2
Signal to noise ratio: "70dB
Function: Bluetooth connection, TF storage, USB playback music, FM radio, AUX mode (long press pause button)
Button: volume adjustment button, pause/play button
Working time: 2-4H
Charging voltage: DC 5V
Product size: 19*5.5*5.5cm