1.Video Glasses 3D Eyewear 50 inch wireless vide glasses 2.The built-in 2 GB,mp5 3. ... MP3, WMA, FLAC, APE, AAC, and PlayFXpicture formatJPEG, BMP, GIF with auto scan and rotate functionColors availableblack, white, silver, or customizedUSB ... (900mAh), built-in batteryBattery DurationAbout4-5 hoursPower Consumption<0.9WConnect with PC High speed USB2.0Sample Rate8KHz/16KHzMax Power Output(L ...