Headphones and Audio Playback Devices:Various types of headphones, including in-ear headphones, over-ear headphones (including planar‑armature and electrostatic models), open‑back headphones, true wireless earbuds (TWS), gaming headsets, sports headphones, and more; audio drivers: dynamic drivers, balanced armature drivers, planar magnetic drivers, electrostatic drivers, and others.

Audio Playback and Decoding Equipment:Portable players: high‑resolution portable audio players (DAPs), lossless audio players, retro CD/SACD players, compact portable players, small DAC/amp combos, and similar devices; desktop audio: desktop digital-to-analog converters (DACs), headphone amplifiers, all-in-one systems, powered speakers, passive speakers, and headphone amplifiers.

Audio Systems and Home Theater Solutions:A wide range of speaker systems, including bookshelf speakers, powered speakers, passive speakers, monitor speakers, and desktop audio solutions; home theater systems: home AV setups, surround‑sound systems, and related equipment.

Audio Accessories and Cables:Cables: upgrade cables for headphones, audio signal cables, power cords, balanced cables, and more; accessories: headphone cases, eartips, headphone storage boxes, audio adapters, and other complementary items.

Wireless and Smart Audio Solutions:Wireless audio: Bluetooth headphones, wireless audio transmission devices, open‑back Bluetooth headphones, and similar products; smart audio: smart audio devices, wireless audio ecosystems, and related innovations.

Audio Software and Related Ecosystems:Audio software: audio tuning tools, audio processing applications, and more; cross‑industry extensions: audio‑related merchandise, cultural products derived from audio exhibitions—such as audio‑themed cosplay or coffee culture showcases, among others.