Enhance your living space with the Paris 2 Smart Glass by Green Lion. With state-of-the-art technology and a futuristic design, this smart glass offers a remarkable view of the future. Its innovative features and 20% reduced energy consumption make it the ideal environmentally friendly solution for homes or businesses. Experience the future of smart glass technology today. 120~20kHz Frequency Response Driver Unit: 15.4mm*3.8mm Bluetooth Distance: 15m 180 Hours Standby Time 4-6 Hours Working Time Bluetooth Version: v5.3 80mAh Battery Dimensions (CM) : 50.537.522.5 Gross Weight (KG): 81.9