HOPESTAR P31 Bass Surround Portable Bluetooth Speaker Waterproof Wireless Loudspeaker - Black

• Automatically search for Bluetooth, receiving distance of 10M and below

• Support MP3, WMA format music files

• Support TF card, Bluetooth with call, file playback, FM

• Support external audio input function such as MP3/MP4/computer (AUX)

• Stereo sound quality, surging bass

• Support serial 1+1 connection

• 360-degree knob rotation to adjust the volume
  

• Waterproof cloth mesh technology supports IPX6 waterproof

Specifications:

• Output power: 5W * 2

• External magnetic horn: 4? 6W*2

• Input sensitivity: 400mV

• Separation: ?90dB

• Signal to noise ratio: ?80dB

• Working voltage: DC 3.7V

• Battery: 18650, 1500MAH

• Battery working time: 4H

• Horn size: 57MM*2

• Diaphragm: 5090mm*1, 65mm*1