Model AW-T51 from Dongguan Yongfang Electronic Technology Co. Ltd are ear hook-design air conduction earbuds with touch control and a built-in microphone
Model NR-200#579 from Shenzhen Lighkeep Co. Ltd is a BT5.0 headphone with active noise cancellation. The unit has a BES23006 Bluetooth SoC and supports HFP, A2DP and AVRCP Bluetooth profiles.
For flyback DC-DC power converters up to 71W used in PoE PDs, the Shinhom-1905628166 from Shaanxi Shinhom Enterprise Co. Ltd is a single-phase transformer
Model Y68_Pink is a mechanical keyboard from Dongguan Lingjie Electronics & Technology Co. Ltd with full-key swappable switches and luminous RGB backlighting