Output power: 3w*1

External magnetic diaphragm horn: 4 3W

Input sensitivity: 400mV

The degree of separation is not less than 90dB

The signal-to-noise ratio is not less than 80dB

Working voltage: 5V DC

The built-in Bluetooth wireless transmission function,support  hands-free calls

Stereo audio transmission protocol (V1.2 A2DP)

Support playing MP3 songs U disk storage

Support TF Card

Support FM

Support for cycle charge

Built in colorful lights

Size: 100*72*165mm

Accessories: speaker, 2 in 1 audio cable, packaging