Question 1

How many cpm's (cuts per minute) does it has?

Accepted Answer

Not a lot of technical information on their website, but Braun shavers historically (including the most recent Series 9) operate at 10,000 cpm (cycles per minute), so presumably the Series 7 is the same - it sounds almost identical when operating, and very different from Panasonics, for example, that operate at 14,000 cpm. Braun does use a "cutting actions" calculation by multiplying the motor speed by the number of cutters (40,000 cutting actions for the Series 9, for example, because of its 4 cutters), so the new Series 7 by this math would have 30,000 "cutting actions," which really has no practical significance - cutting efficiency is represented by the reciprocating blades shearing the hair that pokes up through the foil or flat cutter, and is dependent on blade speed (10,000 cpm in Braun's case) and the sharpness of the blade.  More cutters POTENTIALLY reduces the time required to shave - practically, not so much (because of a tremendous number of variables).  Functionally, the Brauns work very well, if slightly noisier than Panasonics, and either will provide a close, comfortable shave and represent the top of the line foils.

Question 2

what do the 3 colored rings mean on the charger?

Accepted Answer

The 3 lights on the clean and charge station will be level indicators for the fluid in the station.

-The Braun Team

Question 3

How to "clean the head" before putting it into the Station?  Just rinse without opening the head?  Or open it, exposing the springs & screws?

Accepted Answer

Rinse the shaver head in warm water, damp-dry with a towel, avoiding the foils, and pop in the station.  That's it.  You don't really need to do even this, but it will prolong the useful life of the cleaning solution.

Question 4

If I put the razor in the cleaning/charging station without turning the station on, will it charge?

Accepted Answer

The other answers to this question are INCORRECT and misled me into buying this razor. The only way to charge this razor is to connect to the charging port at its bottom. There are no other charging contacts, and it isn't capable of wireless charging.

The cleaning station charges the razor by extending a connector that engages the razor's charge port. To do this, you HAVE to turn the cleaning station on, because the power button is also the button that physically extends that connector.

Save yourself some counter space in your bathroom and just use the cable it comes with. The cleaning station is the biggest (and ugliest) joke I've seen since I started using an electric shaver.

ASIN	B07Z5KWSKY
Additional Features	Faster Shave
Battery Average Life	50 minutes
Battery Description	Rechargeable
Best Sellers Rank	#88,362 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #108 in Men's Foil Shavers
Blade Material	Stainless Steel
Brand	Braun
Brand Name	Braun
Color	Black
Customer Reviews	4.2 out of 5 stars 2,536 Reviews
Head Type	Foil
Included Components	Electric Shaver, Attachment, Charger, Cleaning Brush, Protective Cap, Smart Care Center
Item Weight	2 pounds
Manufacturer	Procter & Gamble
Manufacturer Part Number	00069055888414
Model Name	70-N7500cc
Model Number	00069055888414
Number of Blades	4
Power Source	Battery Powered
Recommended Uses For Product	Beard
Special Feature	Faster Shave
UPC	069055888414
Unit Count	1 Count

Braun Series 7 7075cc Electric Razor for Men with SmartCare Center, Beard Trimmer, Wet & Dry, Rechargeable, Cordless Foil Shaver, Black

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