Green Lion Stockholm Smart Glasses - BLACK

​Material: TR + ABS Lens Material: Photochromic + Anti-Blue Lens Battery: 55mAh×2 Bluetooth: V5.4 Transmission Distance: 10m Speaker: 10mm Sensitivity: 95±3dB Impedance: 32Ω Frequency Response: 2400-2480MHz Waterproof: IPX4 Charging Type: Magnetic Charging Time: 1.5H Playtime: 5H Talk Time: 5H Features Touch Control Pause/Play Songs Answer/Reject Calls Built-in Microphone Polarize Anti-Blue Lens Voice Assistant Remote Camera . come with photochromic and anti-blue lenses for maximum protection against harmful light exposure to the eyes. Equipped with Bluetooth V5.4, they offer a stable connection within a 10-meter range for hands-free communication. Thanks to the dual 55mAh batteries, enjoy up to 5 hours of play or talk time. Other than that, the inbuilt microphone enables crystal-clear calls.