ADAPT 130 USB 508314 ADAPT 130 USB is a single-sided USB headset, optimized for flexible UC professionals, who value great sound, discreet modern style and comfort. Specifications: Colour Black with white Wearing style Headband Frequency response (microphone) 100 – 10,000 Hz Frequency response (headphones) 20 – 20,000 Hz Microphone Noise-cancelling microphone for optimal speech transmission Max. sound pressure level 103 dB limited by ActiveGard® Weight foam ear pad 62 g / 2.20 oz - leatherette ear pad 64 g / 2.26 oz Speaker type Dynamic, neodymium magnet Sound enhancement profiles Automatically adapt and optimize sound for both communication and multimedia/music Included in the box: Headset Acoustic foam ear pad mounted on headset Cable with call control (USB A) Safety guide Quick guide