Color:  Black/Red/Yellow/Blue/White   

Peak Power output:   13 Watts

Frequency response:    100Hz – 10KHz

Audio play: Aux input, FM radio, mp3 player(TF card，USB)

Reverb:  yes

Record: save in mp3 format

Display： LED

Dimensions:     125mm x 85mm x50mm

Weight (with  Batteries):  330 g

Voltage :      7.4v

Current consumption: 150mA

Speaker Sensitivity:     53 dBV/A +- 3 dB

Power Source:    Built-in Lithium Rechargeable batteries

Battery Life:    8-10 hours, 4 hour recharge, 2-3 year life

Also included:    AC adapter for charging, Headset microphone, MP3 cable (male to male 3.5mm), MP3 line in port, Microphone line in port, Removable belt clip, adjustable waist band， user manual.