cheero CHE-646
cheero Wireless Open Earphones Smart NEO User Manual
Model: CHE-646
Introduction
The cheero Wireless Open Earphones Smart NEO are designed to provide a unique audio experience by allowing you to listen to music and calls while remaining aware of your surroundings. These open-ear headphones offer a comfortable, secure fit and extended battery life.

Image: Product packaging for the cheero Wireless Open Earphones Smart NEO, showing the beige earphones and charging case alongside the product box featuring an anime character.

Image: A close-up of a person wearing the cheero Wireless Open Earphones Smart NEO, demonstrating how they clip onto the ear like an ear cuff, allowing ambient sounds to be heard.
What's in the Box
Please check that all the following items are included in your package:
- cheero Wireless Open Earphones Smart NEO (Left and Right)
- Charging Case
- USB Charging Cable
- User Manual (this document)
Product Overview
Familiarize yourself with the components of your cheero Wireless Open Earphones Smart NEO and their charging case.

Image: Detailed diagram labeling the parts of the cheero Wireless Open Earphones Smart NEO (Multi-indicator/Mic, Bridge/Joint, Balance Port, Body, Head, Charging Terminal, Multifunction Button, Sound Output Port) and the charging case (USB-C Input, Battery Indicator).
Earphone Components:
- Multi-indicator / Mic: Displays status and captures audio.
- Bridge (Joint Part): Connects the earphone body to the head part.
- Balance Port: Helps optimize sound balance.
- Body: Main housing of the earphone.
- Head: Part that rests near the ear canal.
- Charging Terminal: Connects with the charging case for power.
- Multifunction Button: Controls various operations.
- Sound Output Port: Where audio is emitted.
Charging Case Components:
- USB-C Input: Port for connecting the charging cable.
- Battery Indicator: Shows the charging status of the case.
Setup
1. Charging the Earphones and Case
Before first use, fully charge the earphones and the charging case. Place the earphones into the charging case, ensuring they are correctly seated. Connect the USB charging cable to the USB-C input on the charging case and plug the other end into a USB power source (e.g., computer USB port, wall adapter).

Image: A person's hands gently placing one of the beige cheero Wireless Open Earphones into its matching charging case, demonstrating the charging process.
- The battery indicator on the charging case will show charging status.
- A full charge provides approximately 6 hours of continuous playback for the earphones.
2. Bluetooth Pairing
To connect your earphones to a device (smartphone, tablet, etc.):
- Ensure the earphones are charged and inside the charging case.
- Open the charging case lid. The earphones will automatically enter pairing mode, and the indicator light on the earphones will flash.
- On your device, go to Bluetooth settings and turn Bluetooth on.
- Search for available devices. Select "cheero Smart NEO" from the list.
- Once connected, the indicator light on the earphones will stop flashing.
- The earphones will automatically reconnect to the last paired device when removed from the case, if Bluetooth is enabled on the device.
Operating the Earphones
The cheero Smart NEO earphones feature a multifunction button on each earbud for easy control of audio playback and calls.

Image: A diagram illustrating the button controls for the cheero Wireless Open Earphones Smart NEO. It shows separate controls for the Right (R) and Left (L) earphones, detailing actions for 1 click, 2 clicks, 3 clicks, and long press, including play/pause, next track, previous track, voice assistant activation, and volume control.
Music Playback Controls:
| Action | Right Earphone (R) | Left Earphone (L) |
|---|---|---|
| 1 Click | Play / Pause | Play / Pause |
| 2 Clicks | Next Track | Previous Track (or start of current track if within 3 seconds) |
| 3 Clicks | Activate Voice Assistant (Siri, etc.) | Activate Voice Assistant (Siri, etc.) |
| Long Press | Volume Up | Volume Down |
Call Controls:
- Answer/End Call: Single click on either earphone.
- Reject Call: Long press on either earphone.
Maintenance
Cleaning:
- Wipe the earphones and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Ensure charging contacts are clean and dry before placing earphones in the case.
Storage:
- Store the earphones in their charging case when not in use to protect them and keep them charged.
- Avoid storing in extreme temperatures or high humidity.
The earphones have an IPX5 water resistance rating, meaning they are resistant to splashing water from any direction. They are not designed for submersion in water.

Image: A visual representation of the IPX5 water resistance rating, with text "IPX5 water resistance grade" displayed above several pairs of cheero Wireless Open Earphones in different colors, indicating their splash-proof capability.
Troubleshooting
If you encounter issues with your cheero Wireless Open Earphones Smart NEO, please refer to the following common solutions:
- No Sound:
- Ensure earphones are charged.
- Check Bluetooth connection on your device.
- Increase volume on both earphones and your device.
- Earphones Not Pairing:
- Ensure earphones are in pairing mode (indicator flashing).
- Turn off and on Bluetooth on your device.
- Forget "cheero Smart NEO" from your device's Bluetooth list and try pairing again.
- Ensure earphones and device are within Bluetooth range (approx. 10 meters).
- One Earphone Not Working:
- Place both earphones back into the charging case, close the lid, wait a few seconds, then open again.
- Ensure both earphones are charged.
- Charging Issues:
- Check if the charging cable is securely connected to both the case and the power source.
- Try a different USB port or power adapter.
- Ensure charging terminals on earphones and case are clean.
Specifications
| Feature | Detail |
|---|---|
| Model Name | cheero Wireless Open Earphones Smart Neo |
| Model Number | CHE-646 |
| Connectivity Technology | Bluetooth |
| Ear Placement | Open Ear |
| Form Factor | Open Ear |
| Continuous Playback Time | Up to 6 hours |
| Speaker Size | 13mm (large-diameter) |
| Water Resistance | IPX5 |
| Color | Beige (other colors available) |
| Manufacturer | cheero |
| Country of Origin | China |
Warranty and Support
For warranty information and customer support, please refer to the official cheero website or contact your point of purchase. Keep your proof of purchase for warranty claims.
Online Support: cheero Official Website
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