Entwodiksyon
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your J-Tech Digital Vertical Ergonomic Wireless Mouse (Model V638W). Please read this manual thoroughly before using the product to ensure proper functionality and to maximize your user experience.

Figure 1: J-Tech Digital Vertical Ergonomic Wireless Mouse (Model V638W).
Kontni pake
- J-Tech Digital Vertical Ergonomic Wireless Mouse (V638W)
- USB-C Chaje Kab
- USB Dongle (2.4GHz wireless receiver)
- Repoze Palm detachable
- Manyèl Itilizatè (dokiman sa a)
Pwodwi souview
The J-Tech Digital V638W mouse features a vertical ergonomic design to promote a natural handshake grip, reducing wrist and arm fatigue. It supports dual wireless modes: 2.4GHz via a USB dongle and Bluetooth connectivity. The mouse is rechargeable via USB-C and offers adjustable DPI settings.

Figi 2: Side view of the mouse showing the USB-C port and the USB dongle.

Figure 3: The ergonomic "handshake" design reduces wrist pain.
Enstalasyon
Chaje sourit la
Before first use, fully charge the mouse. Connect the provided USB-C charging cable to the mouse's USB-C port and the other end to a USB power source (e.g., computer USB port, USB wall adapter).

Figure 4: The mouse features a Type-C charging port and an 800mA rechargeable lithium battery.
Konekte sourit la
The J-Tech Digital V638W mouse supports two connection modes: 2.4GHz Wireless via USB dongle and Bluetooth.
2.4GHz Wireless Koneksyon
- Locate the USB dongle, typically stored in a compartment on the underside of the mouse.
- Mete kle USB a nan yon pò USB ki disponib sou òdinatè w la.
- Ensure the mode switch button at the bottom of the mouse is set to 2.4G mode.
- Sourit la ta dwe konekte otomatikman ak òdinatè w la.
Bluetooth Koneksyon
- Ensure the mode switch button at the bottom of the mouse is set to Bluetooth mode.
- Press and hold the Bluetooth button at the bottom of the mouse for 3 seconds. The blue indicator light around the button will flash, indicating the mouse has entered Bluetooth pairing mode.
- On your computer, open the settings panel and select "Bluetooth & Devices" (Windows) or "Bluetooth" (Mac).
- Klike sou "Ajoute yon aparèy" epi chwazi "Bluetooth".
- Select "BT 5.1 Mouse" from the list of available devices.
- Once paired, the blue indicator light will stop flashing.

Figure 5: Step-by-step guide for Bluetooth connection.

Figure 6: The mouse appears as "BT 5.1 Mouse" in Bluetooth search settings.

Figure 7: The mouse supports dual connection modes: 2.4G Wireless and Bluetooth, applicable to multiple devices.
Attaching the Palm Rest
The included non-skid, anti-sweat removable palm rest can be attached to the base of the mouse for enhanced comfort and reduced drag. Align the palm rest with the base of the mouse and gently press to secure it.
Enstriksyon Operasyon
Ajiste sansiblite DPI a
The mouse features adjustable DPI settings to control cursor sensitivity. Press the DPI button (usually located near the scroll wheel) to cycle through the available DPI levels: 800, 1200, 1600, and 3200 DPI. Select the setting that best suits your preference and task.

Figure 8: The mouse offers 4-level DPI adjustment for precise control.
"Back to Desktop" Button Functionality
The "Back to Desktop" button on the mouse performs specific commands depending on your operating system:
- Windows: Triggers the "Windows + D" command, minimizing all open windows to show the desktop.
- Mac: Triggers the "Command + D" command, typically used for showing the desktop or deselecting items.
Nòt: These functions can be remapped using third-party software:
- For Mac: "Karabiner-Elements"
- For Windows: "X-Mouse Button Control"
Antretyen
Netwayaj
Pou netwaye sourit ou a, sèvi ak yon twal mou epi sèk. Pou pousyè tè ki difisil pou netwaye, siye l yon ti kras.ampen the cloth with water or a mild, non-abrasive cleaner. Avoid using harsh chemicals or abrasive materials, as these can damage the mouse's surface.
Swen batri
The mouse contains a built-in rechargeable lithium battery. To prolong battery life:
- Evite dechaje batri a nèt souvan.
- Charge the mouse regularly, even if not in constant use.
- Pa ekspoze sourit la nan tanperati ekstrèm.
Depanaj
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Sourit la pa reponn (2.4GHz) | Low battery; USB dongle not properly inserted; Incorrect mode selected. | Charge the mouse; Re-insert the USB dongle; Ensure mode switch is set to 2.4G. |
| Sourit la pa reponn (Bluetooth) | Low battery; Not paired; Incorrect mode selected; Bluetooth disabled on computer. | Charge the mouse; Re-pair the mouse (see Setup section); Ensure mode switch is set to Bluetooth; Enable Bluetooth on your computer. |
| Mouvman kurseur a pa regilye oswa ralanti | Low DPI setting; Dirty optical sensor; Uneven surface. | Increase DPI setting; Clean the optical sensor; Use on a smooth, flat surface. |
| "Back to Desktop" button not working as expected | Operating system specific behavior; Software conflict. | Understand the default behavior for your OS (Windows+D or Command+D); Consider using remapping software if custom functionality is desired. |
Espesifikasyon
- Modèl: V638W
- Koneksyon: 2.4GHz san fil (Clé USB), Bluetooth 5.1
- Anviwònman DPI: 800, 1200, 1600, 3200 DPI
- Batri: Rechargeable 800mA Lithium Battery (USB-C charging)
- Deteksyon Mouvman: Optik
- Ergonomi: Vertical, Right-handed, Medium to Large Hand Size
- Karakteristik espesyal: Removable Palm Rest, Customizable "Back to Desktop" button
- Dimansyon: 5.51 x 4.02 x 3.62 pous (Dimansyon Pake)
- Pwa: 8.1 ons (Pwa Atik)
- Koulè: Blan
- Manifakti: J-Tech Digital
Garanti ak sipò
Enfòmasyon sou Garanti
J-Tech Digital products typically come with a manufacturer's warranty. Please refer to the warranty card included with your purchase or visit the official J-Tech Digital websit la pou wè tèm ak kondisyon garanti detaye yo.
Sipò pou Kliyan
For technical assistance, troubleshooting, or product inquiries, please contact J-Tech Digital customer support. Contact information can usually be found on the official J-Tech Digital websit la oubyen sou anbalaj pwodwi a.
You can visit the J-Tech Digital Store on Amazon for more information: J-Tech Digital Store





