... by lying on the bed and watching movies.• suitable for business presentations, product introduction, corporate training, homework, ... lie on bed and play games on big screen Light Source: LEDLamp life: over 30000 hoursUnit weight: ... stereo 1.5W x 1Built-in rechargeable lithium battery, for 2 hours’ displayNoise level: 20 dBProjector fixing: table, ... , WMV, VOB, MOV, FLV, ASF, DAT, MP4, led video projector