Karaoke Function

Material ：ABS + alloy

Built-in 18650 lithium battery

Function: bluetooth, Echo Reverberation, Support  USB/Micro SD,FM Radio, Self-timer                                          

Output Power: 10mW (Headphone output)  & 5W*2  (Speaker output)

Frequency Range 100Hz--10KHz

Maximum SPL: 115dB 1KHz

Battery Capacity: 1800 mAh

Charging Power: DC 5V

Battery Working Time: 3-5  Hours