Welcome!
Welcome!
Embedded Files
Featured video
Metrolink Arrow Full Ride: San Bernardino to Redlands
Metrolink Arrow Full Ride: San Bernardino to Redlands
11 July 2026
Come with me to ride Metrolink's newest and shortest line: the Arrow! It's an extension of the much longer San Bernardino Line to its west, and uses smaller trains (Stadler FLIRT) to complete the 9-mile journey from San Bernardino to Redlands.
Check out my new videos!
Check out my new videos!
Stanford Commit Reacts to Disastrous 2026 AP and IB Scores (Got Rescinded?)
7 July 2026
San Diego Trolley Blue Line Ride: UTC to Palm Ave via Downtown SD
3 July 2026
2026 UCSD Science Olympiad Invitational Vlog
30 June 2026
About me
I'm a 18 year old making YouTube videos living in Temecula, California. I am a tech nerd, so most of the videos on DJTech are about tech products. However, I also upload public transit, school, and gaming content on my personal channel David Jiang. I hope you will check out my videos and please subscribe if you enjoyed them!
Tech videos
Tech videos
iPad 9th Generation
Apple Watch Series 8
iPhone 13
MacBook Air 15"
2019 MacBook Pro 16"
iPhone SE 2020
Popular tech videos
Popular tech videos
2019 16" MacBook Pro in 2023: Surprisingly Good!
With over 40,000 views, this video is currently the most popular tech video on my channel. This video probably got popular because people wanted to see why Intel MacBooks, usually considered to be inferior to Apple Silicon Macs in 2023, might still be a good value for some people.
Early 2013 MacBook Pro in 2021: Trash or Treasure?
Early 2013 MacBook Pro in 2021: Trash or Treasure?
With over 10,000 views, this video is currently the second most popular tech video on my channel, where I talked about whether the 2013 15" MacBook Pro was still usable. This video probably got popular because many people were searching for cheap computers during the pandemic.
iPhone 5s in 2023 Review: Still Usable?
iPhone 5s in 2023 Review: Still Usable?
With over 5,000 views, this video is currently the second most popular tech video on my channel. This video probably got popular because people want to get old iPhones for low prices and see if they're still usable in 2023.
Links
Links
Copyright © 2026 David Jiang
Website last updated on 11 July 2026.
Page updated
Google Sites
Report abuse