1. Produit terminéview
The DAREU LM109G is an ergonomic vertical wireless mouse designed to reduce wrist strain and provide a comfortable user experience. It features a 60-degree vertical angle, 2.4GHz wireless connectivity, three adjustable DPI levels, and six programmable buttons.

Image: The DAREU LM109G mouse, highlighting its ergonomic vertical design.
The unique 60-degree vertical angle positions your hand in a natural handshake posture, which helps to alleviate pressure on the wrist and forearm, reducing the risk of repetitive strain injuries.

Image: Illustration of the 60-degree ergonomic angle.

Image: Visual comparison of wrist posture with a traditional mouse versus the DAREU vertical mouse.
2. Schéma du produit
Familiarize yourself with the buttons and components of your DAREU LM109G mouse.

Image: Labeled diagram of the DAREU LM109G mouse.
- Bouton gauche : Fonction standard de clic gauche.
- Bouton droit : Fonction standard de clic droit.
- Molette: Pour le défilement et le clic du milieu.
- Bouton avant : Navigue vers l'avant dans web browsers or folders.
- Bouton de retour : Navigue en arrière dans web browsers or folders.
- Bouton PPP : Ajuste la sensibilité de la souris (DPI).
- Interrupteur: Active ou désactive la souris.
- USB Dongle Slot: Storage for the 2.4GHz USB-A receiver.
- 1*AA Battery Slot: Compartment for one AA battery.
3. Installation
3.1 Installation de la batterie
- Open the battery compartment cover located on the underside of the mouse.
- Insert one AA battery (not included) into the battery slot, ensuring correct polarity.
- Fermez soigneusement le couvercle du compartiment à piles.

Image: Installing the AA battery into the mouse.
3.2 Connexion sans fil
- Locate the USB-A receiver stored in the slot on the underside of the mouse.
- Plug the USB-A receiver into an available USB port on your computer (laptop or desktop PC).
- Turn on the mouse using the Power Switch located on the underside. The mouse is plug-and-play and requires no driver installation.

Image: Connecting the USB-A receiver to a laptop.
3.3 Vidéo de démonstration de l'installation
Video: Official DAREU video demonstrating the setup and ergonomic grip of the LM109G vertical wireless mouse.
4. Mode d'emploi
4.1 Ajustement PPP
Appuyez sur le Bouton DPI (located near the scroll wheel) to cycle through the three adjustable DPI levels. This allows you to customize the mouse sensitivity to your preference for different tasks.

Image: Adjusting DPI settings on the mouse.
4.2 boutons de navigation
Utilisez le Avant et En arrière buttons (located on the side of the mouse) for quick navigation in web navigateurs, file explorers, and other applications.

Image: Highlighting the forward and backward navigation buttons.
4.3 Mode d'économie d'énergie
The mouse automatically enters a power-saving mode after approximately 8 minutes of inactivity to conserve battery life. To reactivate the mouse, simply move it or click any button.
4.4 Hand Size Measurement
For optimal ergonomic comfort, ensure the mouse size is suitable for your hand. Refer to the following guide:

Image: Guide for measuring hand length and palm width.

Image: Recommended mouse sizes based on hand measurements.
5. Entretien
- Remplacement de la batterie : When the battery is low, the LED light on the mouse will blink. Replace the AA battery with a new one, ensuring correct polarity. We recommend using branded batteries for optimal performance and longevity.
- Nettoyage: Use a soft, dry cloth to clean the surface of the mouse. Avoid using harsh chemicals or abrasive materials.
6. Dépannage
- Souris ne répondant pas :
- Assurez-vous que la souris est allumée à l'aide de l'interrupteur d'alimentation.
- Vérifiez que la pile AA est correctement installée et suffisamment chargée. Remplacez-la si nécessaire.
- Verify that the USB-A receiver is securely plugged into a working USB port on your computer.
- Try plugging the USB-A receiver into a different USB port.
- Le mouvement du curseur est erratique ou lent :
- Adjust the DPI settings using the DPI button to find a suitable sensitivity.
- Veillez à utiliser la souris sur une surface propre et non réfléchissante.
- Problèmes de connexion sans fil :
- Ensure the mouse is within the operating range (up to 32 feet / 10 meters) of the USB-A receiver.
- Évitez d'utiliser la souris à proximité de sources d'interférences électromagnétiques importantes.
7. Spécifications
| Fonctionnalité | Détail |
|---|---|
| Marque | DAREU |
| Nom du modèle | LM109G |
| Technologie de connectivité | Sans fil 2.4 GHz (récepteur USB-A) |
| Technologie de détection de mouvement | Optique |
| Niveaux de PPP | 3 niveaux réglables |
| Nombre de boutons | 6 (Gauche, Droite, Molette de défilement, Avancer, Reculer, DPI) |
| Orientation de la main | Droite |
| Appareils compatibles | Ordinateur personnel |
| Système opérateur | macOS, Windows, Linux, Chrome OS |
| Portée sans fil | Jusqu'à 32 pieds (10 mètres) |
| Source d'énergie | Fonctionne sur piles (1 pile AA requise, non incluse) |
| Matériel | Plastique |
The DAREU LM109G is universally compatible with various operating systems.

Image: Universal compatibility with Windows, Chrome OS, Linux, and macOS.
8. Garantie et assistance
Garantie: Ce produit est assorti d'une garantie d'un an à compter de la date d'achat, couvrant les défauts de fabrication.
Assistance clientèle : For technical assistance, troubleshooting, or warranty claims, please contact DAREU Office customer support. Refer to your purchase documentation or the DAREU official website pour les coordonnées.