Aether's Model S2 BLACK - AE14701542 - audio sunglasses have pronounced angles, with diamond-cut edges in contrasting polished and brushed matte surfaces. A whole new aural experience: play music and podcasts, make calls, and access voice assistant at the tap of the temple while being aware of your surroundings. The Mazzucchelli acetate frame is handmade through a 5-step process, weight is 38g. Zeiss lenses with 100% UV protection, anti-reflective coating, and anti-scratch surface.Audio: Built-in open-ear directional speakers with bluetooth® 5.1 Qualcomm aptX™ technology Call Playtime: Up to 3h on a single charge and up to 12h with a wireless charging caseStandby & Charge: Up to 24 hrs on Standby, and 1 hour for a full charge - Color: black- Material: acetate- Lens: black- Size: eye 52mm / bridge 22mm / temple 142mm