Device Archive
2026
NOW
Band
WHOOP Life
2026 — Present
“Remarkably accurate automatic activity recognition and recovery tracking.”

Eyeglasses
DITA Lindstrum DTX-125
2026 — Present
“Thoughtful sizing and a design friendly to high myopia — the first pair might be the only one.”

Desktop Server
NEC 8th-Gen Server
2026 — Present
“A low-power CPU and a ~ price tag make it a superb home-server platform for workloads you don't want on a public cloud.”
View record
In use since 2026.
Intel Core i3-8100T.
8 GB of DDR4-2666 memory.
Used as a desktop host or compact server.
2025
NOW
Smart Glasses
Ray-Ban Meta Wayfarer (Gen 2)
2025 — Present
“Outstanding audio and video, a top-tier mic array — the first real hit in AI glasses.”

Phone
iPhone 15 Plus
2025 — Present
“Great battery life and screen size, and the first iPhone with USB-C.”

Phone
OPPO Reno8 Pro+ 5G
2025 — Present
“An Android backup and dev-test device; the last model to receive OPPO AI OS, and the quiet end of the MariSilicon chip ambition.”

Laptop
MacBook Pro
2025 — Present
“In the agent era, memory is king — every local agent process eats RAM, while most people never come close to maxing out the CPU, so the M1 is plenty. Spend where it counts.”
View record
In daily use since 2025.
Apple M1, 32 GB of memory, and a 512 GB solid-state drive.

AI Open-Ear
Ola Friend
2025 — 2025
“A decent AI earbud with flexible AI invocation — mostly satisfying, but battery management is a real problem.”

Open-Ear
Soundcore AeroFit Plus
2025 — Present
“The best sound and battery life in open-ear listening, multi-device switching, and AI features — possibly the best open-ear choice.”

Membrane Keyboard
Keychron B1 Pro
2025 — 2025
“The best budget alternative to the Logitech MX Keys Mini, though build quality is a notch below.”

Mechanical Keyboard
MX Mechanical Mini for Mac
2025 — 2025
“A lovely low-profile mechanical keyboard, but too loud for shared spaces — sold it after much deliberation.”

Wireless Keyboard
Logitech MX Keys Mini
2025 — Present
“A compact keyboard with no wasted keys, solid build, and whisper-quiet scissor switches.”

GPU Workstation
Dual NVIDIA V100 Workstation
2025 — Present
“A self-built value server — both compute cards cost around in total.”
View record
In use since 2025.
X99TF motherboard, Intel Xeon E5-2686 v4, and four 32 GB Samsung DDR3 ECC modules for 128 GB total memory.
Two NVIDIA V100 cards with a carrier board and chassis.
Western Digital SATA storage with an angled-to-straight adapter, Xuanwu 500K power supply, Chenyu six-heatpipe top-down cooler, AMD Radeon R5 340 display adapter, and Intel 7260AC Wi-Fi.
Motherboard ¥249; CPU ¥105; memory ¥340; adapter ¥8; power supply ¥145; cooler ¥65; display adapter ¥50; Wi-Fi ¥23; dual V100 cards, carrier board, and chassis ¥2,650.
2024

Laptop
MacBook Air
2024 — 2025
“Light and easy, but 8 GB of RAM is nowhere near enough — I wouldn't recommend anything below 24 GB.”
View record
Used from 2024 to 2025.
Apple M1, 8 GB of memory, and a 512 GB solid-state drive.

Open-Ear
Soundcore AeroFit
2024 — 2025
“Great overall — too bad I lost one earbud.”

Open-Ear
Soundcore AeroFit 2
2024 — 2025
“The generation before the Plus, and excellent in both build and sound.”

Wireless Keyboard
MX Keys Mini for Mac
2024 — 2025
“A true Mac layout, but the bottom-left FN key is useless and kept getting in the way of Ctrl — eventually swapped for the universal version.”

Mechanical Keyboard
VGN N75
2024 — 2025
“A great mechanical keyboard, just too noisy.”

Wireless Mouse
Logitech MX Master 3S
2024 — Present
“GOAT. The side wheel and back/forward buttons are the most-used parts of my workflow, killing the tab-switching dance — maybe the only office mouse you need.”
2023

Phone
iPhone 13
2023 — 2025
“A legend of a phone, held back by Lightning — one more cable to carry.”

Tablet
iPad Pro 12.9″ (2021)
2023 — 2024
“Incredibly powerful, but the iPad is a false promise for me — notes are slower than paper, papers are better read on a laptop, so it sold without hesitation.”

Over-Ear
Edifier W820NB Double Gold
2023 — 2024
“Noise cancellation is excellent, but my ears got hot and itchy — eventually moved to open-ear.”

TWS
Apple AirPods Pro 2
2023 — 2024
“Superb ANC, but long sessions put real strain on my ear canals — switched to open-ear after much thought.”

Bone Conduction
Haylou PurFree BC01
2023 — 2025
“A solid bone-conduction pair with excellent water resistance.”
2022

Smartwatch
Apple Watch Series 7
2022 — Present
“Used less than expected day to day — many features just gather dust.”
2021

TWS
Huawei FreeBuds 4i
2021 — 2022
“Respectable acoustic performance.”
2020

Smartwatch
OPPO Watch 46mm
2020 — 2022
“My first true smartwatch — but battery health deteriorated badly after two years.”

Tablet
iPad Air 3
2020 — 2023
“Plenty capable — just right for undergrad coursework.”

Phone
Honor 30 Pro+
2020 — 2023
“My first curved-screen phone, but the last release before the Huawei{2013}Honor split — HarmonyOS updates were so rough I had to sell it.”

Gaming Laptop
HP Pavilion Gaming 15
2020 — 2025
“My first laptop, genuinely fast, even with a GTX 1650 — carried me through undergrad assignments.”
View record
Used from 2020 to 2025.
Intel Core i5-9300H, 8 GB of memory, a 512 GB solid-state drive, and NVIDIA GeForce GTX 1650 graphics with 4 GB of video memory.
2016

Phone
Gionee F103 Pro
2016 — 2019
“The phone I kept longest — watched it age from fast, to fine, to obsolete.”
2015
Custom Desktop
Core i3-4160 Desktop
2015 — 2019
“My first self-built desktop — unforgettable.”
View record
Used from 2015 to 2019.
Intel Core i3-4160 on the LGA 1150 platform.
ASUS B85M-E or Gigabyte B85M-D3H, with DDR3 support and a PCIe 3.0 ×16 slot.
4 GB Kingston DDR3-1600, PC3-12800 at 1.5 V.
NVIDIA GeForce GTX 750 Ti with 2 GB of video memory and a 60 W TDP.
2014

Phone
Lenovo A889
2014 — 2017
“A huge screen for its time — mostly used for flashing ROMs and Temple Run.”
2013

Phone
HTC Butterfly
2013 — 2015
“Great battery life; I read novels on it late into the night — probably why I'm nearsighted.”
2012

Phone
Samsung Galaxy Fit S5670
2012 — 2015
“Where I truly learned Android — writing scripts to flash and root, my gateway into the platform.”
2010

Phone
Motorola A1600
2010 — 2012
“Handed down from my father — the 2G era, when 5 MB of data cost ¥30.”
2008
THE BEGINNING
Custom Desktop
Core 2 Duo E6300 Desktop
2008 — 2015
“The internet arrived early in my home, and this machine was my real gateway to it. Modest specs meant I learned to hunt for tutorials, tweak games, and even crack single-player titles.”
View record
Used from 2008 to 2015.
Boxed Intel Core 2 Duo E6300, recorded at ¥950 in 2007.
ASUS P5G31-M or MSI G31M-F, based on the Intel G31 platform and recorded at ¥550.
Two 512 MB Kingston DDR2-667 modules for 1 GB total, recorded at ¥780.
2024

Wireless Charger
TORRAS Cloud Wireless Charger
2024 — Present
“A wireless charger with serious heat management — charges earbuds, watch, and phone at once with decent speed. Great value.”

GaN Charger
CUKTECH 140W GaN Charger
2024 — Present
“Auto power distribution across ports, high wattage, broad protocol support — the value king.”