1、Dual speakers stereo sound effects. 2、Multi-function mixer, a number of sound adjustable. 3、The microphone volume and sound volume can be adjusted. 4、Support mobile USB Disk. Hand-free function. Cut song function. 5、Imported chips and batteries, full power can be played under continuous 12 hours or more. Description: This product provides the solution of the outdoor singing or speech. No matter there is a party, picnic or other outdoor activities, it makes it so easy to increase the voice volume and the karaoke effect makes the singing and speech much more impressed and enjoyable. This is a must-have tool during the outdoor entertainments. Features: Dual speakers stereo sound effects. Multi-function mixer, a number of sound adjustable. The microphone volume and sound volume can be adjusted. Support mobile USB Disk. Hand-free function. Cut song function. Imported chips and batteries, full power can be played under continuous 12 hours or more. Specification: Audio Monitoring Capacitive Output Power 5W * 2 (speaker output) Frequency Response Range 30Hz ~ 20KHz Maximum Sound Pressure Level > 115dB 1Khz THD <1% Impedance (loudspeaker) 2 * 4Ω Reverb Mode Echo sound reverb Transmission Wireless Bluetooth Power Supply 4.2V polymer lithium battery Battery Capacity 2600mah Life Time 12H Charging DC5V / 0.8A Charging Time 12H Microphone Material Aluminum Color Black, Gold, Rose Gold (Optional) Size As the pictures show Package Weight 535g Quantity 1pc Package included: 1 x Bluetooth Wireless Microphone 1 x Audio Cable 1 x USB Cable 1 x User Manuel