Andi be free Concert 1 over-ear headphones Wireless noise-cancelling headphones: Thanks to the latest noise-cancelling technology, ambient noise can be captured and suppressed. Sound architecture: The advanced acoustic technology ensures a deep, full sound at any volume - with bass-intensive music, the Concert 1's sound architecture stands out. Design & comfort: The wireless headphones offer an optimal fit for comfort during long wear. Soft padding on the ear cups and optimised ventilation make them particularly comfortable. Developed in Switzerland, the Concert1 from andi be free® are designed for absolute wearing comfort. Battery life: Look forward to a long battery life with the Concert 1 regardless of your preferred listening mode. With up to 60 hours of battery life, it allows for music experience for several days. Technical specifications: - USB-C charging input - 3.5mm audio cable Product dimensions: - Length: 17cm - Width: 11cm - Height: 10.3 - Weight: 288g Packaging dimensions: - Length: 61.5cm - Width: 49cm - Height: 28.5cm - Weight: 946g Package contents - Headphones - Hard case - USB-C charging cable - 3.5mm audio cable (3-pin) - User manual.