Green Lion Stockholm Smart Glasses -Frequency Response: 2400-2480 MHz -Transmission Distance: 10 m -Photometric Anti-Blue Lens -Charging Type: Magnetic -Sensitivity: 95 ± 3 dB -Battery: 55mAh × 2 -Photometric Lens -Waterproof: IPX4 -Talk Time: 5 Hrs -Bluetooth: V5.4 -Speaker: 10 mm -Impedance: 32Ω -Playtime: 5 Hrs -Voice Assistant -Remote Camera -Touch Control -TWS Function Green Lion Stockholm Smart Glasses -Frequency Response: 2400-2480 MHz -Transmission Distance: 10 m -Photometric Anti-Blue Lens -Charging Type: Magnetic -Sensitivity: 95 ± 3 dB -Battery: 55mAh × 2 -Photometric Lens -Waterproof: IPX4 -Talk Time: 5 Hrs -Bluetooth: V5.4 -Speaker: 10 mm -Impedance: 32Ω -Playtime: 5 Hrs -Voice Assistant -Remote Camera -Touch Control -TWS Function