90% active noise cancellation / One touch TalkThrough technology / Sennheiser NoiseGard 2.0 / Direct cable option / Replaceable rechargeable battery The MM 450 is the travel Headset you have been waiting for. With one headset, you can listen to Music wired or wirelessly, take calls over Bluetooth, cancel 90% of ambient noise and chat with seatmates-- all without removing the headset. With the MM 450 you can Switch between calls and music - delivered in superb Stereo sound. NoiseGard 2.0 eliminates up to 90% of background noise for your most peaceful flight yet. A convenient TalkThrough function lets you carry a conversation with a seatmate at the push of a button. The invisible high-performance Microphone ensures that conversations are clear, making this headset the perfect all-in-one sound solution for the hottest Digital device in your pocket. # Using a closed, on-the-ear design to Block ambient noise, the MM 450 is an ideal companion for the frequent flier. Advanced DuoFol transducers provide the kind of detail and Frequency response you would expect out of hi-fidelity audiophile speakers. The easy-to-use control panel is intuitive and simple enough to operate with your eyes closed-- a common way of enjoying Sennheisers world-famous sound quality. The MM 450 folds up for the ultimate in portability. The replaceable Battery charges via USB or a wall adapter. For situations where Bluetooth is not permitted, you can use the included audio cable for a direct connection- making the MM 450 at home in any situation where a super quality Headphone is required. Box Contents: MM 450 headset, Audio cable with in-flight adapter (3.5mm double Mono adapter), USB cable, Wall charging adapter, Carrying case # Sennheiser NoiseGard 2.0 technology provides up to 90% active noise cancellation # TalkThrough function - Communication with seatmates without removing the headphones # Wireless freedom with Stereo A2DP Bluetooth - hands-free convenience and hi-fi stereo sound # Discrete, invisible microphone is always out of the way # Direct cable Option - listen as a wired headphone when Bluetooth is not permitted # Easy-to-use controls are provide concise "click" feedback # Patented DuoFol transducer system # Plush ear cushions # Collapsible headset # Replaceable battery charges via USB port or supplied wall adapter # Connect everywhere - to mobiles, laptops, MP3 players, or in-flight entertainment systems # Built-tough with a 2-year international warranty # Specifications: # Wearing style: On-the-ear # Transducer principle: Sealed (closed) # Frequency response (headphones): 15 - 22,000 Hz # Frequency response (microphone): 100 - 10,000Hz # THD: Less than 0.1% (at 1kHz) # Technology: Bluetooth 2.1 + EDR / supported profiles: A2DP, HSP, HFP, AVCPR # Talk time: Up to 20 hrs # Listening time: Up to 10 hrs (without NoiseGard; with - up to 8) # Charging time: Approximately 3 hrs # Standby time: Up to 200 hrs # Dimensions (single): 7.5 x 3.3 x 7.9 inches
