Square JBL Soundgear Frames for sound with JBL OpenSound technology with microphone for calls 8 hours runtime - black

Square glasses JBL Soundgear Frames for sound with JBL OpenSound technology with microphone for calls 8 hours of runtime - black Product description: Overview These glasses combine sound and modern appearance using JBL OpenSound technology, through built-in speakers inside the frame arms, allowing you to listen to music or calls without covering the ears and staying connected to the surrounding environment. Main features OpenSound technology Dynamic speakers measuring 25×9 mm on both sides, with algorithms to enhance low frequencies and process frequencies, for an audio experience comparable to portable speakers without blocking external sounds. Clear calls without using hands Equipped with a bidirectional microphone system with beamforming technology, along with noise and echo cancellation techniques, to deliver excellent call quality. Long battery life and fast charging Up to 8 hours of continuous operation. When the battery runs out, a 10-minute quick charge provides about two additional hours of use. Water and dust resistance according to IP54 standard The frame (made of TR90 and durable plastic) is lightweight, suitable for daily use, and resistant to water spray and dust. Smart and automatic control The headphones automatically turn on when opening the frame (On) and turn off when folding it (Off). Control is via touching the JBL logo on the arm: volume adjustment, play/pause, and call management. JBL Headphones app for full control The app allows choosing between 6 preset sound settings or manual adjustment via a 10-band equalizer. You can also customize touch functions and monitor battery life. Color and size options Lenses provide UV protection and can be changed to prescription lenses. Technical specifications: Driver size: 25 × 9 mm Frequency response: 100 Hz to 18 kHz Electrical resistance: 20 ohms Sensitivity: 114 dB SPL at 1 kHz Maximum sound pressure: 90 dB Microphone sensitivity: -38 dBV/Pa at 1 kHz Bluetooth: version 5.2, 2.4 GHz frequency Battery: 110 mAh (lithium-ion), full charge time two hours Protection standard: IP54 (water and dust resistant) Dimensions (for circular frame): 160.87 × 150.54 × 53.68 mm Weight: approximately 52 grams