3D Glasses Type : Active Shutter Glasses Synchronous: ReceiverDisplaycompatibility : 3D HDTV, Blu-ray playersFrequency : 120HZResponse Time : 1.5ms Contrast : 1000:1Transmission : 35%Power Source: 3.7V/70mah Rechargeable Lithium-ion or USB Cable 5VBattery Life: About 30 hours depending on use Charge Time : 2 Hours Dimension : 179 × 40 × 183 mmNet Weight : 37.6 gEnvironment Temperature :5° ~ 35° Relative Humidity : 20% ~ 80% Atmospheric Pressure : 86 kPa - 106 kPaColor : Black

HD Video Glasses