4x 3D active glasses *

Specifications: 3D Glasses type Active shutter glasses Synchronous IR Display compatibility 3D HDTV, Blu-ray players Frequency 120HZ Response time 2.0ms Contrast 1000:01:00 Transmission 39±2% Battery Type 3.7V/100mAh rechargeable lithium-ion Battery life 50 hours Charge time 3 hours Dimension 179 × 40 × 165 mm Net Weight 55g Environment temperature 5 °C - 35 °C Relative Humidity 20% - 80% Atmospheric pressure 86 kPa - 106 kPa Color Black