Features: Personalized function setting convenient console. Bulit-in 2200mAh battery 12 hours work on full charge. Intelligent noise reduction for high fidelity sound quality. With a unique audio effect processing technology. Application: DJ/Live/Wedding Banquet/Speech/Campus Radio/Family Entertainment Specifications: Battery: 2200mA Size: 105x67x41mm/4.13x2.64x1.61inches Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors the picture may not reflect the actual color of the item. Package includes: 1xSound Card Power