1. Introduction
Thank you for choosing the DSP 90642 Rechargeable Multi-Grooming Kit. This comprehensive kit is designed for precise and efficient grooming of facial, nose, ear, and body hair. Featuring an IPX7 waterproof design and multiple interchangeable heads, it offers versatility and ease of use. Please read this manual thoroughly before first use to ensure proper operation and maintenance.
Key Features:
- All-in-One Grooming Kit: Includes hair clipper, nose hair trimmer, beard shaver, eyebrow trimmer, and sideburns trimmer.
- IPX7 Waterproof: Designed for wet and dry use, allowing for easy cleaning under running water.
- USB Rechargeable: Convenient charging via any USB port.
- Long Battery Life: Provides approximately 30 minutes of cordless operation after a 2-hour charge.
2. Safety Information
To reduce the risk of electric shock, injury, or damage, please observe the following safety precautions:
- Always turn off the device before installing or removing any cutter heads.
- Ensure the cutter head is securely inserted against the slot during installation.
- Do not immerse the charging base in water. The main unit is IPX7 waterproof and can be rinsed under running water, but avoid prolonged submersion.
- Keep the appliance dry when charging.
- Do not use the appliance if it is damaged or if the blades are broken, as this may cause injury.
- Keep out of reach of children.
3. Product Components
The DSP 90642 Multi-Grooming Kit includes the following components:
- Main Trimmer Unit
- Beard Shaver Head
- Body Groomer Head
- Nose Trimmer Head
- T Blade Trimmer Head
- U Blade Trimmer Head
- Multiple Guide Combs (various lengths)
- USB Charging Cable
- Cleaning Brush
- Storage/Charging Stand

Image: Overview of the DSP 90642 Multi-Grooming Kit showing the main unit, various trimmer heads, and accessories.

Image: Detailed view of the grooming kit components, highlighting the different trimmer heads, guide combs, and the charging stand.
4. Setup
4.1 Initial Charging
Before first use, it is recommended to fully charge the device. Connect the USB charging cable to the charging port on the trimmer or the charging stand, and then to a USB power source (e.g., computer, wall adapter). The digital display will indicate the charging status. A full charge typically takes 2 hours.

Image: The DSP 90642 grooming kit charging on its stand, connected to a wall socket for fast charging.
4.2 Attaching/Detaching Trimmer Heads
To change trimmer heads:
- Ensure the trimmer is turned off.
- To remove a head, gently push the thumb in the direction of the arrow (usually away from the body of the trimmer) and pull the head off.
- To attach a new head, align the head with the card points on the trimmer body and push it in firmly until it clicks into place. Confirm the machine is powered off before attaching.

Image: A visual guide demonstrating the steps to safely change the trimmer heads on the device.
5. Operating Instructions
Once the desired trimmer head is attached and the device is charged, press the power button to turn it on. The digital display will show the battery level. Select the appropriate head and guide comb for your grooming needs.
5.1 Using Different Trimmer Heads:
- Full-Size Trimmer / T Blade Trimmer: Ideal for beard trimming, sideburns, and general hair clipping. Attach the desired guide comb for specific lengths.
- Precision Trimmer / U Blade Trimmer: For detailed styling, sharp lines, and intricate designs.
- Micro Shaver / Beard Shaver: For a close, smooth finish on smaller areas or to clean up edges.
- Nose & Ear Trimmer: Gently insert the trimmer into your nostril or ear canal to remove unwanted hair. Do not insert too deeply.
- Body Hair Trimmer: Use for grooming body hair.

Image: The different trimmer heads of the DSP 90642 kit, illustrating their specific uses for various grooming needs.
5.2 Official Product Video
Video: An official demonstration of the DSP Beard Trimmer Body Grooming Sets Facial Hair Shaver, showcasing its features and functionality.
6. Maintenance and Cleaning
Regular cleaning and maintenance will prolong the life of your grooming kit and ensure optimal performance.
6.1 Cleaning the Trimmer Heads
The trimmer heads are washable and removable for easy cleaning. After each use:
- Turn off the trimmer and detach the head.
- Use the included cleaning brush to remove any loose hairs from the blades.
- Rinse the trimmer head under running water.
- Allow the head to air dry completely before reattaching or storing.
6.2 Waterproof Feature
The main trimmer unit is IPX7 waterproof, meaning it can withstand immersion in water up to 1 meter for 30 minutes. This allows for convenient cleaning under running water. However, ensure the charging port is dry before connecting the charging cable.

Image: The DSP 90642 trimmer being rinsed under water, highlighting its IPX7 waterproof design for easy cleaning.
7. Troubleshooting
If you encounter any issues with your DSP 90642 Multi-Grooming Kit, please refer to the following common solutions:
- Trimmer not turning on: Ensure the device is fully charged. Check if the power button is pressed firmly.
- Poor trimming performance: Clean the trimmer head thoroughly to remove any hair or debris. Ensure the blades are not damaged. The battery might be low; try charging the device.
- Battery not charging: Verify that the USB cable is properly connected to both the trimmer/stand and the power source. Try a different USB port or adapter.
- Head not attaching securely: Ensure the trimmer is off. Align the head correctly with the card points and push firmly until it clicks.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | 90642 |
| Product Dimensions | 1.57 x 6.3 x 1.38 inches |
| Item Weight | 0.33 Pounds (5.28 ounces) |
| Power Source | Battery Powered (USB Rechargeable) |
| Battery Type | 600mAh Lithium battery |
| Charging Time | Approx. 2 hours |
| Working Time | Approx. 30 minutes (1.5 hours as per video) |
| Waterproof Rating | IPX7 |
| Blade Material | Stainless Steel |
| Manufacturer | DSP |
| Recommended Uses | Beard Trimming, Eyebrow Trimming, Nose Hair Trimming, Ear Hair Trimming, Facial Hair Trimming, Body Grooming |
9. Warranty and Support
9.1 Manufacturer Warranty
This DSP 90642 Multi-Grooming Kit comes with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accident, unauthorized modification, or normal wear and tear.
9.2 Customer Support
For warranty claims, technical assistance, or any questions regarding your product, please contact DSP customer support. Refer to the contact information provided with your product packaging or visit the official DSP website for support details.