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

• Support MP3, WMA format music files

• Support TF card, Bluetooth-compatible 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

• Waterproof cloth mesh technology supports IPX6 waterproof

Specifications:

• Output power: 5W *1

• External magnetic speaker: 4Ω 5W*1

• Input sensitivity: 400mV

• Separation: ≥90dB

• Signal to noise ratio: ≥80dB

• Working voltage: DC 3.7V

• Battery: 18650, 1500MAH

• Battery working time: 2.5H

• Speaker size: 57MM*1

• Diaphragm: 65mm*2