Socket size: 145.5/46.5/153.5 mm, Sunglasses produced by Carl Zeiss Vision, 2 microphones, Mems speaker, Touchpad, Woofer, Bluetooth 5.0, including charging case, USB-C cable, cleaning cloth, operating instructions, application possibilities: listening to music and podcasts, telephone calls, voice assistant, RRP: € 249,00, further information at: https://wearfauna.com/