occhialini attivi jvc pkag3gThe rechargeable 3D glasses offer up to 100 hours of comfortable 3D viewing on a single charge. Using radio frequency (RF), these glasses operate in a wider coverage area without sync issues when moving or away from the transmitter. These new glasses also have a 2D mode for those who don't want to see 3D. General characteristics Rechargeable Shutter Active glasses for all 3D D ILA models RF Sync with Projector (Requires PK EM2G Transmitter) The