Introduction
Welcome to the Monster Sleep Ear100 Earbuds user manual. These earbuds are specifically designed to provide comfort and high-quality audio, especially for side sleepers. Featuring Bluetooth 6.0 connectivity, Environmental Noise Cancelling (ENC), and IPX6 waterproofing, the Ear100 offers a seamless audio experience for relaxation, sleep, and daily use. Please read this manual thoroughly to ensure proper use and maintenance of your device.
What's in the Box
- Monster Sleep Ear100 Earbuds x1
- Type-C Charging Cable x1
- User Manual x1

Image: Overview of the Monster Sleep Ear100 Earbuds, charging case, and accessories.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge your Monster Sleep Ear100 Earbuds and their charging case. The earbuds offer approximately 8 hours of playtime on a single charge, and the charging case provides up to 32 hours of total playtime.
- Connect the provided Type-C charging cable to the charging port on the case.
- Plug the other end of the cable into a USB power adapter (not included).
- The indicator lights on the charging case will show the charging status. Ensure the earbuds are placed correctly in the case for them to charge.

Image: Battery life indication for earbuds and charging case.

Image: Bluetooth 6.0 technology for fast and stable connections.
2. Bluetooth Pairing
The Monster Sleep Ear100 Earbuds utilize advanced Bluetooth 6.0 for quick and stable connections.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings.
- Select "Monster Sleep Ear100" from the list of available devices to connect.
- Once paired, the earbuds will automatically reconnect to your device when taken out of the case.
Operating Instructions
1. Wearing the Earbuds
The Ear100 earbuds feature an ultra-minimalist, 3-dimensional ergonomic design with pliable, hypoallergenic silicone tips for maximum comfort, especially for side sleepers.
- Gently insert the earbud into your ear canal.
- Twist slightly to ensure a snug and secure fit. The design allows them to sit flush with your ear, preventing discomfort when lying on your side.

Image: Illustration of the ergonomic design for pressureless comfort.

Image: The 3-Dimensional Ergonomic Design ensures comfort even when sleeping on your side.
2. Touch Controls
The earbuds feature intuitive touch controls for managing audio playback, calls, and activating Sleep Mode.

Image: Simple tap controls for various functions.
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud for 2 seconds.
- Activate Voice Assistant: Triple tap on either earbud.
- Volume Up/Down: Specific controls may vary; refer to the detailed diagram or product instructions for precise gestures.
3. Sleep Mode
Activate Sleep Mode to ensure an undisturbed sleep experience. This mode silences all notifications, disables accidental touch controls, and eliminates low battery beeps.
- Activate Sleep Mode: Press and hold the right earbud for 2 seconds.
- In Sleep Mode, the touch function of the earbuds will be unavailable to prevent accidental activation.
- To exit Sleep Mode, press and hold the right earbud for 2 seconds again.

Image: Unique Sleep Mode features for undisturbed rest.
4. Sound Quality and Noise Cancellation
Experience Pure Monster Sound with high-fidelity immersive stereo sound, deep bass, and rich studio quality. The earbuds also feature Environmental Noise Cancelling (ENC) for clear communication.
- The ENC enhanced microphone significantly reduces background noise, allowing for clear conversations even in noisy environments.
- The design effectively blocks up to 30dB of noise, creating a peaceful personal oasis.

Image: Internal components illustrating Pure Monster Sound technology.

Image: Multiple Noise Reduction for clear audio in noisy environments.
Maintenance
1. Water Resistance (IPX6)
The Monster Sleep Ear100 Earbuds are IPX6 waterproof, providing strong protection against splashing water and excessive sweating. This makes them suitable for intense exercise or unexpected light rain.
- Do not submerge the earbuds in water.
- Ensure the earbuds are dry before placing them back into the charging case to prevent damage.
- Clean the earbuds regularly with a soft, dry cloth.

Image: IPX6 Waterproof rating for resistance against sweat and splashes.
Troubleshooting
If you encounter any issues with your Monster Sleep Ear100 Earbuds, please refer to the following common solutions:
- No Sound:
- Ensure earbuds are charged and connected to your device.
- Check device volume and earbud volume.
- Try re-pairing the earbuds with your device.
- Pairing Issues:
- Make sure Bluetooth is enabled on your device.
- Ensure earbuds are out of the charging case and in pairing mode.
- Forget the device in your Bluetooth settings and try pairing again.
- Restart your device and the earbuds.
- Discomfort while Sleeping:
- Ensure earbuds are properly seated in your ear canal.
- Verify Sleep Mode is activated to prevent accidental touch controls.
- Low Battery Alarm in Sleep Mode:
- Ensure earbuds are fully charged before activating Sleep Mode for extended periods. Sleep Mode is designed to eliminate low battery beeps, but ensure sufficient charge for your desired duration.
Specifications
| Model Name | Ear100 (W57) |
| Brand | Monster |
| Connectivity Technology | Wireless (Bluetooth 6.0) |
| Bluetooth Range | Up to 15 meters |
| Battery Life (Earbuds) | Up to 8 hours (single charge) |
| Battery Life (with Charging Case) | Up to 32 hours |
| Charging Time (Case) | 8 Hours |
| Water Resistance Level | IPX6 (Water Resistant) |
| Noise Control | Environmental Noise Cancellation (ENC) |
| Control Type | Touch Control |
| Ear Placement | In Ear |
| Material | Plastic |
| Item Weight | 2.39 ounces |
Warranty and Support
For warranty information and customer support, please refer to the official Monster website or contact your retailer. Keep your purchase receipt for any warranty claims.





