3D Playback Type: Polarized 3D Method Transmittance Method: RF (Bluetooth)/Full HD 3D Glasses Standard Compatible Battery Type: Lithium-ion Polymer Rechargeable Battery Battery Duration: Approximately 30 hours operation time for a 30-minute full battery charge (Approximately 3 hours operation time for a 2-minute battery charge) *The battery duration will change as per the total usage time with the number of charge/discharge cycles Power Supply: DC 5 V (supplied by USB terminal of a Panasonic TV) Package Included: 2 Pairs of Eyewear Accessory Compatibility Chart for Panasonic VIERA HDTVs