Improvements in speech clarity and noise reduction are complimented bythe extremely lightweight ergonomic design of the Sennheiser VMX 100.Not onlydoes it fit the contour of your ear, superior personalized wearingcomfort is achieved thanks to a unique 3D ball joint. This enablesadjustment of the microphone boom to personal preferences. And thesleek, slim VMX 100 fits neatly in your pocket. Discreet, durable andsophisticated, the VMX 100 is simple to use and compatible with allBluetooth mobile telephones. With the VMX 100, noise is no problem. It does everything you want aBluetooth headset to do, plus ensures that your voice will be clearlyunderstood – no matter how noisy your surroundings. Background noisestays where it belongs. In the background. You get crystal clear andhands free conversation.Combining the high-end sound quality known from Sennheiser musicrecording and reproduction systems with the leading sound perceptiontechnologies originally developed for digital hearing instruments byWilliam Demant, Sennheiser Communications has created and is proud topresent a truly revolutionary wireless mobile headset – the VMX 100.Key Features:VoiceMax™ Dual Microphone technology3D ball joint for individual wearing comfortAutomatic power off/on when closed/openedActiveGard™ protection against acoustic shocksBluetooth 2.0 compatible with all Bluetooth mobile phonesUp to 5 hours talking timeUp to 100 hours standby timeCharging directly from USBSuperior Sennheiser audio qualityTwo way speaker for choice of left/right side wearingSteel mesh protected speaker unitExtremely lightweight and comfortable (17 grams)