Novice here, does this keyboard come built? If not, does it contain all the required parts for assembly? Want to make sure that I'm buying a fully functioning keyboard and not just a "part"...
Why does the MXRSKEY CK650 65% that was not Drop, had a Battery capacity: 8,000 mAh & this MXRSKEY CK820 75% layout only shows a 3,000 mAh Battery Capacity?