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With one press of a button, you can quickly switch between calls and music delivered in superb stereo sound. The invisible high-performance microphone ensures that conversations are clear, making this headset the perfect all-in-one sound solution for your digital lifestyle.

Using a closed, on-the-ear design to block ambient noise, the MM 400 is an ideal companion for the urban commute or frequent traveller. 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 Sennheiser's world-famous sound quality.

The MM 400 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 400 an extremely capable wired headphone as well.

Features:

Wireless, stereo A2DP Bluetooth
Simple-to-use call/music controls
Invisible microphone for making calls
Folds up for compact storage/transport
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
iPhone/iPod/iPad compatible, compatible with all 1/8" (3.5mm) headphone plugs
Easy-to-use controls are within optimum reach and provide concise "click" feedback
World-famous Sennheiser acoustics from patented DuoFol transducer system
Plush ear cushions seal out ambient noise while maintaining luxurious comfort for hours on-end.
Collapsible headset stores in a compact footprint for convenient portability
Replaceable battery charges via USB port or supplied wall adapter
Connect everywhere - to mobiles, laptops, MP3 players, or in-flight entertainment systems with an all-in-one headset solution
Charging time - Approximately 3 hours
Dimensions (single) - 7.5 x 3.3 x 7.9 inches
Frequency response (headphones) - 15 - 22,000 Hz
Listening time - Up to 10 hours / Talk time - Up to 20 hours
Plush ear cushions seal out ambient noise while maintaining luxurious comfort for hours on-end.
Manufacturer Part Number: MM400
Item Condition: Manufacturer Refurbished
Warranty: 90 Manufacturer Warranty

Shipping Information We Ship With:
This Item Ships To: Continental 48 US $0.00 Alaska & Hawaii add $30.00

This item can only be shipped within the United States, no exceptions.
The shipping rates listed are only for residential or commercial destinations in the continental 48 United States. If we ship to other locations it will be listed and it will require an additional shipping charge, please ask us if there are any questions.
We only ship the item to the Paypal Verified address that is sent to us at the time of checkout. Please verify the correct shipping address in your PayPal account before making your payment. If we ship your item to an old or invalid address and you are not able to locate the item, we are not responsible for shipping a replacement.
Currently, we do not ship to APO/FPO/PO Boxes
Most of our items are shipped via FedEx or USPS mail. WE DO NOT OFFER UPS AT THIS TIME.
Shipping locations are listed on the left or by clicking the "Shipping and payments" tab at top. Please bid/purchase accordingly.
Shipping time during holidays may take longer than normal.
Many of our items can be shipped 2nd Day and Overnight. Overnight charge is always double of the second day charge, regardless of what the listing states. If the listing indicates otherwise, please ask us first.
For expedited shipping, the order must be placed before 1pm Central Standard Time to insure that your item goes out that day, otherwise it will leave the following day.
Most of our orders ship within 1 business day. 99% of our order ship within 2 business days. Occasionally, specific orders will require additional processing time and may be delayed further.

International Orders

For International customers, we only accept Paypal as the payment option.
Any brokerage, customs, and duty fees associated with international shipments are the customer's responsibility and are not included in our shipping charges.
If you are located outside of the continental 48 United States, please email us in advance to see if the specific item ships to your location. These orders are generally shipped within 3-5 days after payment is received. Please be patient as they are often subject to additional inspection upon delivery.
For International Orders, a phone number is required for the customs documents. Failure to provide one will result in delays. No Invoices are sent with our shipments, if you need an invoice we can email one.

Payment Information We Gladly Accept:

Instant Paypal payment is the preferred method of payment.
We also accept payment via PayPal, Debit Card, Visa, MasterCard, Discover, and American Express.
We will only ship to the confirmed Paypal shipping address given with the payment.
If you would like assistance on how to pay via PayPal or with your credit card, please review our FAQ section below for your answer, or click here to contact us or call us toll-free at 1-866-639-9320.
For assistance changing your confirmed address, please contact PayPal directly at 1-888-221-1161.
Sales tax is charged for Nebraska shipments and local pickups only.
We reserve the right to refund any payments that Paypal deems as possible fraud or if the amount is incorrect.
To avoid initiating an unpaid item claim, please pay within 4 days.

About VMInnovations At VMInnovations, we specialize in a wide variety of products including car audio and installation products, consumer electronics, home audio, and sporting goods. Our goal is to deliver quality products to our customers at the lowest prices possible.

Why buy from VMInnovations?

The best products, the best prices
Our team works hard to find you the best bargins on the planet, and our prices and product selection reflects that effort.
Friendly, accessible customer service
Our dedicated customer service agents are here to help you, Monday-Friday, 9am to 5pm Central Time.
Super fast shipping
Most of our items leave the warehouse within 1-business day of your order. Additionally, we've teamed up with FedEx and USPS to offer the shortest shipping times and the most reliable service available.

Returns & Exchanges

If you are returning your item for a refund, a 25% restocking fee will apply. All returns will be professionally tested before refunds are given.
VMInnovations will gladly accept your return within 30 days of the original purchase.
No refunds will be given on items that have been opened or used; you can only exchange the item at that point.
Return items must be in original box and include all of the original accessories. Fees will be applied for missing items (adapters, original box, harnesses, ect).
Buyer is responsible for all return shipping costs to VMInnovations. VMInnovations will pay to ship the replacement item to you. If the exchange takes place 30 days from the date of purchase, the buyer is responsible for the shipping costs in both directions.
All returns require an RMA (return merchandise authorization) number. Returns without an RMA number may be delayed or returned to the sender, please check the FAQ section below for more information on how to obtain an RMA.
We only allow for even exchanges. Any exchange attempt for a different item will be subject to additional fees.
VMInnovations strives to maintain a goal of 72 hour service for all replacements. Delays may be incurred if lack of replacement inventory is encountered. We will contact you via email if such a back order happens.
Subwoofer Warranty: Our warranty does not cover subwoofers if it has blown voice coils or if the speakers have been punctured. This is considered physical damage and is not covered by our warranty, or the manufactures warranty.
Items returned that are physically abused or damaged will not be accepted.
All International Sales are final, the return/exchange policy does not apply to International orders
The return policy does not cover damage due to improper installation, if an item was physically altered by you, or services performed by anyone other than VMInnovations.

Frequently Asked Questions

How long will it take to get my items? Most of our orders ship within 1 business day of receiving your payment. Occasionally, some orders may take a little longer. If you're within the continental 48 United States, expedted shipping time is generally between 1 and 3 days to the central US and between 3 and 4 days for the east and west coasts. Shipping to Alaska and Hawaii usually takes between 5 to 6 days. International orders may take up to 2 weeks for delivery.

(Please note that these are delivery times are averages. Your exact location may differ.)
How can I pay for my item? Our preferred method of payment is via PayPal. You can make your PayPal payment immediately after clicking the Buy It Now button.

We also accept major credit cards for payments under $200 by calling us at (866) 639-9320.
Do you ship internationally? Some of our items do ship internationally. Please note that the buyer is responsible for any and all import/duties fees and taxes that may apply to the order. To see where this item ships to, please see the Shipping Information section above.
Will I receive a tracking number once my item ships? Yes. Once your item leaves our warehouse, we will send an email to your eBay registed email account as well as your eBay Messages Inbox with your tracking information. On occasion, some tracking numbers may take 24 hours to fully register in the FedEx or USPS tracking systems.
How do I return an item I've purchased? Items can be returned within 30-days of the original purchase. All returns requre a Return Merchandise Authorization (RMA) number before being sent back to our warehouse. Please click here to contact us or give us a call at (866) 639-9320 to obtain an RMA number.

For full return details, please see the Returns & Exchanges section above.
View more Frequently Asked Questions

Contact VMInnovations Contact us now. (866) 639-9320 or
(402) 298-5168 VMInnovations
1421 Kingbird Rd.
Lincoln, NE 68521-3001

Contact us now.
You can also reach us by phone, Monday-Friday, 9am to 5pm Central Time at (866) 639-9320 or (402) 298-5168.
We are located at:

VMInnovations
1421 Kingbird Rd.
Lincoln, NE 68521-3001

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