Free Shipping Discreet HD Spy Glasses (4GB) At a Glance... HD Spy Glasses with 4GB memory Looks just like normal glasses USB plug and play ready Takes AVI videos at 1280x720 with 30FPS Manufacturer Specifications Video Recording Format: AVI Internal Memory: 4GB Frames Per Second: 30 FPS Video Resolution: 1280x720 Image Sensor: 5MP Color CMOS Battery life: About 2 hours Video Size: About 1MB /second Buttons/Connectivity/Indicators: - Power ON/OFF/Record - LED indicator - Micro USB Time stamp: Yes Computer Connection: Via USB Power: Rechargeable Li-ion 280mAh battery (recharge through USB or wall power adapter) Dimensions: 150mm (L) x 130mm (W) x 35mm (D) Product Notes ON, OFF and record operations are operated by pressing the logo on the side of the glasses. Package Contents Spy sunglasses with 4GB of internal memory Carrying pouch Protective case Soft cleaning cloth USB to mini-USB cable User manual - English Power adapter (100-240V, 50-60Hz) FAQ - Frequently Asked Questions Do these sunglasses record audio? Yes, they record video with audio. Can I zoom with the sunglasses? No, there is no zoom function with this model.