The Poly Blackwire C3225 is a professional wired headset designed for business users who need reliable audio communication. This successor to the Blackwire 3200 series features advanced audio technology with wideband compatibility for PCs, noise-cancelling microphone technology and hi-fi stereo options. The dynamic equaliser function automatically optimises call quality and adjusts settings for multimedia applications. Constructed with a lightweight metal headband for increased durability, the headset offers adjustable sizing for a personalised fit. The flexible retractable microphone boom allows precise positioning, while the leatherette ear pads rotate for optimal comfort. Compatible with PCs, mobile phones and tablets, this wired headset delivers consistent performance for business communications and multimedia applications. The unisex black design features practical ergonomics suitable for extended use in professional environments. With a headband width of around 18 cm and adjustable extension up to 22 cm, the headset weighs around 185 grammes for comfortable all-day wear. The ear pads measure 7 cm in diameter with 3 cm depth for effective sound attenuation. The cable length extends over 180 cm for flexible workplace organisation. The 3.5 mm audio connection ensures broad device compatibility across computer platforms and mobile devices. Designed for professional audio requirements, this headset meets Poly standards for build quality and acoustic performance in business communication scenarios.