USB\VID_04D9 or USB Vendor ID 04D9 recognizes Holtek Semiconductor, Inc. as the USB Vendor and manufacturer of devices listed below.
| Vendor Id | Vendor Name | Device Id | Device Name | Type | |
|---|---|---|---|---|---|
| 04D9 | Holtek Semiconductor, Inc. | 0006 | Wired Keyboard (78/79 key) [RPI Wired Keyboard 5] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 0022 | Portable Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 0348 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 048E | Optical Mouse | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 0499 | Optical Mouse | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 1135 | Mouse [MGK-15BU/MLK-15BU] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 1203 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 1400 | PS/2 keyboard + mouse controller | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 1503 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 1603 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 1702 | Keyboard LKS02 | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 1818 | Keyboard [Diatec Filco Majestouch 2] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 2011 | Keyboard [Diatec Filco Majestouch 1] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 2013 | Keyboard [Das Keyboard] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 2206 | Fujitsu Siemens Mouse Esprimo Q | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 2221 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 2323 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 2519 | Shenzhen LogoTech 2.4GHz receiver | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 2832 | HT82A832R Audio MCU | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 2834 | HT82A834R Audio MCU | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 4545 | Keyboard [Diatec Majestouch 2 Tenkeyless] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A01C | wireless multimedia keyboard with trackball [Trust ADURA 17911] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A050 | Chatman V1 | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A052 | USB-zyTemp | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A055 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A075 | Optical Gaming Mouse | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A096 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A09F | E-Signal LUOM G10 Mechanical Gaming Mouse | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A100 | Mouse [HV-MS735] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A11B | Mouse [MX-3200] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A29F | Microarray fingerprint reader | USB | |
| 04D9 | Holtek Semiconductor, Inc. | B534 | LGT8F328P Microprocessor | USB | |
| 04D9 | Holtek Semiconductor, Inc. | E002 | MCU | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 0129 | Keyboard [KBPV8000] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 0169 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 0198 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 0407 | Keyboard [TEX Shinobi] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 0462 | Laser Gaming mouse | USB | |
| 04D9 | Holtek Semiconductor, Inc. | 1605 | Keyboard | USB | |
| 04D9 | Holtek Semiconductor, Inc. | A153 | Optical Gaming Mouse | USB | |
| 04D9 | Holtek Semiconductor, Inc. | FC2A | Gaming Mouse [Redragon M709] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | FC30 | Gaming Mouse [Redragon M711] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | FC38 | Gaming Mouse [Redragon M602-RGB] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | FC4D | Gaming Mouse [Redragon M908] | USB | |
| 04D9 | Holtek Semiconductor, Inc. | FC55 | Venus MMO Gaming Mouse | USB | |