Active 3D Shutter Glasses IR Bluetooth for Panasonic Sony Sharp Samsung LG Toshiba 3D TVs with Rechargeable Lithium-ion Battery (Black) What You GetActive 3D shutter glasses IR Bluetooth for Panasonic Sony with 1 year warranty and friendly customer service. Bluetooth IRSupport two-way communication IR and Bluetooth signal. Deliver a true 3D experience for watching your favorite movies in a new way. ComfortableHigh-speed response of high-quality liquid crystal lenses, prevent from eye strain. Nose pads using silicone material, comfort and durability. Cool appearance, light design 46g/1.6oz, comfortable to wear without dizziness. RechargeableBuilt-in high capacity rechargeable battery with auto power-off function(micro-USB,stability, energy efficiency) and low power self-detected function(low battery LED flashes). User-friendly electronic circuit design, one single button, easy operation. EnvironmentalThe frame using ABS + PC material, low energy, low carbon and environmental protection.High permeability rate of perfect quality, no flash smelting, no blur.The appearance of innovative treatment process, to eliminate electromagnetic interference.