Use the QingBar GP300 to enjoy a cinema screen of video through a pair of glasses, and hi-fi audio through the high quality ear pieces wirelessly. The glasses features a sleek, light weight design with LCOS micro displays, which deliver crisp, vivid-color, QVGA video image simulates the image of a 50” display from a distance of 2M away. You just insert a mini SD card into the slot, and then you can entertain yourself with your favorite movie, MP3 music, lovely photos, or e-book text. The sleek ergonomically designed glasses are comfortable and light weight, there size makes them ideal for portable use and they mobile. The LCOS 310K QVGA resolution micro display delivers a crisp vivid-color image enhancing your viewing experience Simulates the viewing experience of a 50” large screen monitor from a distant of 2m ideal for watching movies, viewing photos, listening music, and playing games The glasses allow you to enjoy your JPEG photos using an automatic or slide function mode Supports e-book .TXT file, allowing you to enjoy reading your favorite books anywhere, anytime A pair of phone jacks allow the use of high quality earphones Built-in Mini SD slot User-replaceable, rechargeable Lithium battery IR remote control, allows more convenient operation User-friendly U/I backlit control, use of controls even in dark environments USB interface allows easy loading of digital files to the device. Specifications Memory Card Slot : Support Mini SD Card (Hot plug and play) EQ Mode : Rock/Classic/Normal/Bass Language : Support multi-language; ,Chinese & English version (optional) Playback Mode : Normal/One/All/Shuffle/Repeat Shuffle Interface : USB Press key : Power on, volume +, -, forward, backward, play/pause, and menu Screen Option LCOS Micro display, 50" Virtual Screen Remote control Yes Audio File Format : Support MP3, WMA9, IMA,and AAC Video File Format : MP4/MPG/AVI/ASF(MPEG1/2/4 ( Divx3.x/4.x/5.x & XviD) E book : Support E book .TXT file Photo : Support JPEG/BaselineJPEG+MP3 Power : Battery re-chargeable lithium battery (750 mAh) Adapter :voltage in 110v-240v; Voltage out:5V,500mA Sample Rate : 8 ~ 96 KHz SNR >90 dB Frequency Response Range : 20 Hz-20 KHz Display resolution : WQVGA 432x240 Image size 50” at 2 M away Field of View 22 degree Contrast 200:1 Ambient Temp -10~+70 Unit Dimensions (LxWxH) 180x175x40 (mm) Weight 100g    Please note that the lead time for this product is 14 days Packages included:: Video Glasses Stereo Earphone USB cable User's Manual Universal Charger (Input: 100V - 240V) Remote control Lithium battery x 2