Compatible Epson Black G7 Universal 3D Glasses by Quantum 3D Type: 3D Glasses Color: Black Power Supply: Rechargeable Battery Working Time: 40 - 50 Hrs per Charge Package Content: 1 G7 3D Glasses, 1 Micro USB Cord, 1 Soft Carrying Bag, 1 Microfiber Cleaning Cloth Parts: 1 Year Warranty