Experience immersive 3D viewing with the SONY Active 3D RF Glasses TDG-BT500A. These black glasses are designed for use with Sony and other 3D TV projectors, providing a comfortable and lightweight fit for extended use. The glasses utilise advanced RF technology, ensuring a reliable and stable connection to your 3D device. Crafted in China to the highest standards, these glasses boast a sleek black finish that complements any viewing environment. With a battery life of up to 3 hours, you'll have plenty of time to enjoy your favourite movies and TV shows in stunning 3D. Upgrade your home entertainment experience with the SONY Active 3D RF Glasses TDG-BT500A.