Sennheiser MM 400 Bluetooth Headset

The MM 400 is a state-of-the-art Stereo Bluetooth® headset for multimedia mobile phones.

• Wireless freedom–Bluetooth®2.1 guarantees hands-free convenience without wires and the advanced A2DP profile for Stereo Bluetooth® delivers optimized hi-fi stereo sound
• Invisible microphone – with high-performance sound quality for clear conversations
• Direct cable option – for use on airplanes, with an airline adapter included
• Easy headset controls – in one intuitive cluster
• Sennheiser sound quality – hi-fi headphone drivers ensure superior dynamic range, detail and excellent bass
• Wearing comfort – padded ear-cushions provide an excellent soft fit, even on long trips
• Easy-2-GO – the headset folds into a compact bundle for travel and storage, while the headband is metal-reinforced for durability
• Recharge it via the USB port on your laptop or the supplied lightweight wall charger with different plug fittings for Europe, the USA, the UK and Australia
• Connect everywhere – to mobiles, laptops, MP3 players, or in-flight entertainment systems with an all-in-one headset solution

• USB wall charger for US, EU, UK and AU plus USB charging cable
• In-flight adapter (3.5mm double mono adapter)
• 3.5mm audio cable
• Carry case

• Wearing style: Supra-aural
• Transducer principle: Closed acoustics
• Technology Bluetooth® 2.1 + EDR / supported profiles: A2DP + AVRCP + HSP + HFP
• Talk time: 20 h
• Listening time: 10 h
• Charging time: 3 h
• Range: 10 m
• Weight: 105 g

• Frequency response: 15 – 22.000 Hz
• THD, total harmonic distortion: Less than 0.1% at 1 KHz
• Sound pressure level (SPL): 107 dB

• Frequency response: 100 – 10.000 Hz
• Pick-up pattern: omni-directional