Dynamode DH-660-USB USB (Universal Serial Bus) Stereo Headphone & Microphone The DH-660-USB is a fully featured over-the-head Stereo Headphone system using our Clear Sound audio technology to give great audio feedback no matter what audio applications & is the perfect partner for Business, MP3 or for just creating an exciting sound experience for the latest Games. Fully integrated is the in-line handheld control which takes care of all popular audio functions including VOLUME, SPEAKER MUTE, MICROPHONE MUTE together with status LEDs. With it's built-in Microphone for Vo IP applications like Skype, this premium Stereo Headset bundle has remarkable features for an even more remarkable low price point. Features: Plug n Play USB (Universal Serial Bus) Interface Integrated in-line hand controller Clear Sound Stereo Quality Sound with Bass Bost Adjustable over-the-head with full ear noise absorption Adjustable boom Microphone for two-way conversation Remote control for VOLUME, SPEAKER & MICROPHONE Speaker Sensitivity: 105d B Microphone Sensitivity: -58d B Cord Length: 1.9 metres (approx) inc. USB (Universal Serial Bus) connector Full retail blister pack Connector Type: 1 x USB (Universal Serial Bus) Earpiece: Dual Earpiece Form Factor: Headphones Model Name: DH-660-USB Product Type: Headphones