Bluetooth audio

Description

Product size (unit: mm): 180x90x80mm (length * width * height)

Output power: MAX 3W+3W

Speaker: Ф52mm 3?? 5W

Frequency response: 80-20KHz

Signal to noise ratio: >=80db

Power supply: built-in 4000mA polymer battery

Power supply: 5V>=1000mA

Charging mode: USB to standard DC connection

External audio: standard 3.5 stereo plug input

Audio type: two-channel stereo

Bluetooth effective receiving distance: within 15 meters