What channel is not included in the default Channels report?

Channel report a great way to see what traffic sources are driving the most and, more importantly, the best traffic to your website. These channels include for example organic search, direct, referral, social, email, paid search and others. Device is not a channel and is not included in channel reports. Metrics in channel reports are broken into three sections - acquisition, behavior and conversions. Tip: You’ll see channel report in “Acquisition” tab under “Al Traffic” reports.