1. Introduction
Thank you for choosing the AEG BHT 5640 Body Care/Hair Trimmer Set. This versatile 4-in-1 grooming kit is designed for precise and gentle hair removal across various body areas. Please read this instruction manual carefully before first use to ensure safe operation and optimal performance of your device. Keep this manual for future reference.
2. Safety Instructions
- This appliance can be used by children aged 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
- Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
- Do not immerse the appliance in water or other liquids. The housing is beam-water-protected (IPX5), but the charging base is not.
- Only use the original charging adapter provided with the device.
- Do not use the appliance if it is damaged or malfunctioning.
- Keep the appliance away from heat sources and direct sunlight.
- Ensure hands are dry when handling the appliance and charger.
- For hygienic reasons, avoid sharing the appliance with others.
- Always switch off the appliance before changing attachments or cleaning.
3. Product Overview
The AEG BHT 5640 is a versatile grooming tool featuring a main trimmer unit and four interchangeable attachment heads, along with a charging/storage stand and accessories.
Key Components:
- Main Trimmer Unit
- Hair Cutting Attachment (32 mm width) with adjustable comb (11-20 mm in 10 stages)
- Beard Cutting Attachment (21 mm width) with adjustable comb (2.5-4.5 mm in 5 stages)
- Shaver Attachment (22 mm width)
- Nose/Ear Hair Remover Attachment
- Charging/Storage Stand
- Cleaning Brush
- Comb

Figure 1: The AEG BHT 5640 main trimmer unit with various attachments displayed on its charging and storage stand.

Figure 2: All components of the AEG BHT 5640 set, including the main unit, four attachment heads, adjustable combs, cleaning brush, and comb.
4. Setup
- Initial Charge: Before first use, fully charge the trimmer for approximately 8-10 hours. Place the main trimmer unit into the charging stand and connect the power adapter to a suitable electrical outlet. The charging indicator light will illuminate.
- Attaching Heads: To attach an accessory head, align the head with the main trimmer unit and gently push until it clicks into place. To remove, pull the head straight off.
- Attaching Combs: For the hair cutting and beard cutting attachments, slide the desired adjustable comb onto the attachment head until it locks. Adjust the cutting length by sliding the comb adjuster.
5. Operating Instructions
Ensure your skin and hair are clean and dry before use for best results, unless using the shaver attachment which can be used on wet skin.
General Operation:
- Press the ON/OFF button to start the trimmer.
- Hold the trimmer at a slight angle against the skin.
- Move the trimmer slowly and steadily against the direction of hair growth.
- Press the ON/OFF button again to turn off the trimmer.
Using the Attachments:
- Hair Cutting Attachment: Attach the hair cutting head and the desired adjustable comb. Select the desired cutting length (11-20 mm). Guide the trimmer against the hair growth.
- Beard Cutting Attachment: Attach the beard cutting head and the desired adjustable comb. Select the desired cutting length (2.5-4.5 mm). Trim your beard by moving the trimmer in smooth strokes.
- Shaver Attachment: Attach the shaver head. Use on dry or wet skin. Gently press the shaver against the skin and move in short, circular motions for a close shave.
- Nose/Ear Hair Remover: Attach the nose/ear hair remover head. Carefully insert the trimmer tip into the nostril or ear canal. Move it gently to trim unwanted hair. Do not insert too deeply.
6. Maintenance
Regular cleaning ensures optimal performance and extends the lifespan of your trimmer.
Cleaning:
- After Each Use: Switch off the trimmer. Remove the attachment head. Use the provided cleaning brush to remove any loose hairs from the blades and the trimmer unit.
- Rinsing: The main trimmer unit and attachment heads are beam-water-protected (IPX5). They can be rinsed under running water. Ensure the trimmer is switched off and disconnected from the charger before rinsing. Allow all parts to air dry completely before reassembling or storing.
- Do NOT rinse the charging stand or power adapter.

Figure 3: The AEG BHT 5640 trimmer head being rinsed under running water, demonstrating its IPX5 water protection.
Storage:
Store the trimmer and its accessories in the charging/storage stand in a dry place, away from direct sunlight and out of reach of children.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not turn on. | Battery is discharged. | Charge the trimmer for the recommended time. |
| Trimmer pulls hair or cuts poorly. | Blades are clogged with hair or dull. | Clean the blades thoroughly. If blades are dull, consider replacement (contact support). |
| Charging indicator does not light up. | Power adapter not connected properly or faulty. | Check power connections. Try a different outlet. |
8. Specifications
- Brand: AEG
- Model: BHT 5640
- Item Model Number: BHT 5640
- Product Dimensions: 4 x 16.9 x 4 cm
- Item Weight: 20 g (0.02 Kilograms)
- Power Source: Battery operated (Batteries required: Yes)
- Water Protection: IPX5 (Beam-Water-Protected Housing)
- Hair Cutting Width: 32 mm
- Hair Cutting Lengths: 11 - 20 mm (10 stages)
- Beard Cutting Width: 21 mm
- Beard Cutting Lengths: 2.5 - 4.5 mm (5 stages)
- Shaver Width: 22 mm
- UPC: 795545111297
- Date First Available: 18 Dec. 2013
9. Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or contact AEG customer service. Keep your proof of purchase for any warranty claims.
Manufacturer: AEG





