Features： 1、DUAL FAN: Mini projector has built in dual heat sink for efficient heat dissipation, effectively improve the cooling effect. 2、LOW NOISE: This high definition video projector has a low operating decibel, allowing you to enjoy a good time. 3、LED LIGHT: Adopt independent light machine and LED inverted light source system, improve the quality of light source, achieve a service life of 30000 hours. 4、FULL INTERFACE: The portable projector has complete interfaces such as HD multimedia interface and USB, support U disk, DVD, computer, etc. 5、BUILT IN SPEAKER: The movie projector has built in speaker, supporting headset and speaker connection, let you to enjoy cinema level sound effects. Specification： Item Type: Projector Material: ABS Projection Technology: TFT LCD LED Life: 30000 Hours Ladder Correction: Manual Color: 17.2m Contrast: 3000:1 Speaker: 4Ω 3W Projection Distance: Approx. 0.5-4m/19.7-157.5in Output Port: 3.5mm Headset Overall Power: 30W Adapter: 15V 2A Remote Control Battery: 2 x AAA Batteries (Not Included) Package List： 1 x Adapter 1 x AV Cable 1 x Remote Control 1 x User Manual 1 x Projector