cheero CHE-647

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cheero Wireless Open Earphones Smart Pro Instruction Manual

Model: CHE-647

1. Introduction

Thank you for purchasing the cheero Wireless Open Earphones Smart Pro. These open-ear earphones are designed for comfort and allow you to stay aware of your surroundings while enjoying audio. This manual provides essential information for safe and effective use of your device. Please read it thoroughly before use and retain it for future reference.

2. Safety Information

  • Do not use the earphones at excessively high volumes for extended periods to prevent hearing damage.
  • Do not expose the charging case to water or moisture. The earphones are IP65 rated, meaning they are dustproof and resistant to water splashes, but not designed for submersion.
  • If the earphones come into contact with sweat, wipe them clean with a soft cloth promptly, as sweat contains salt which can cause damage.
  • Keep the device away from extreme temperatures, direct sunlight, and open flames.
  • Do not attempt to disassemble, repair, or modify the device. This will void the warranty.
  • Keep out of reach of children and pets.

3. Package Contents

Please ensure all items are present in the package:

  • cheero Wireless Open Earphones Smart Pro (Left and Right)
  • Charging Case
  • USB-C Charging Cable
  • Instruction Manual (this document)

4. Product Overview

Familiarize yourself with the components of your earphones and charging case.

Diagram of cheero Smart Pro earphone components and charging case

Image: Detailed diagram showing the earphone components (balance port, bridge, body, head, multi-function button, voice output, charging terminal, multi-indicator/microphone) and the charging case (battery indicator, USB-C input).

Earphone Components:

  • Head: The main audio unit that rests near the ear canal.
  • Body: The main housing of the earphone.
  • Bridge (Joint Part): The flexible part that connects the head and body, designed to fit around the ear.
  • Balance Port: Helps optimize sound balance.
  • Multi-function Button: Used for various controls (playback, calls, voice assistant).
  • Voice Output: Where sound is emitted.
  • Charging Terminal: Connects to the charging case for power.
  • Multi-indicator/Microphone: LED indicator for status and built-in microphone for calls.

Charging Case Components:

  • USB-C Input: Port for connecting the charging cable.
  • Battery Indicator: LEDs showing the charging case's battery level.

5. Charging

Before first use, fully charge the earphones and the charging case.

Charging the Earphones:

  1. Place the earphones into their respective slots in the charging case. Ensure the charging terminals align.
  2. The earphone indicators will light up to show charging status.
  3. Once fully charged, the indicators will turn off or change color (refer to LED indicator section for details).

Charging the Charging Case:

  1. Connect the provided USB-C cable to the USB-C input port on the charging case.
  2. Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
  3. The battery indicators on the charging case will light up to show charging progress.
  4. All indicators will remain solid when the case is fully charged.

Note: The charging case is not waterproof. Do not expose it to liquids.

6. Setup

Initial Bluetooth Pairing:

  1. Ensure the earphones are charged.
  2. Open the charging case. The earphones will automatically enter pairing mode, and their indicators will flash.
  3. On your device (smartphone, tablet, etc.), enable Bluetooth.
  4. Search for available Bluetooth devices and select "cheero Smart Pro" from the list.
  5. Once connected, the earphone indicators will stop flashing.

Multi-Point Connection:

The cheero Smart Pro supports multi-point connection, allowing simultaneous connection to two devices (e.g., a smartphone and a PC). This enables seamless switching between audio sources.

  1. Pair the earphones with the first device as described in "Initial Bluetooth Pairing."
  2. Disable Bluetooth on the first device. The earphones will re-enter pairing mode.
  3. Pair the earphones with the second device.
  4. Re-enable Bluetooth on the first device. The earphones should automatically connect to both devices.
  5. To switch between devices, simply play audio on the desired device. The earphones will automatically switch to that source.

7. Operating Instructions

The earphones feature physical buttons to prevent accidental touches during use.

Diagram showing button controls for left and right cheero Smart Pro earphones

Image: Control diagram for the cheero Smart Pro earphones. The right earbud (R) controls play/pause (1 click), next track (2 clicks), voice assistant (3 clicks), and volume up (long press). The left earbud (L) controls play/pause (1 click), return to beginning of track or previous track (2 clicks), voice assistant (3 clicks), and volume down (long press).

Wearing the Earphones:

These earphones are designed to fit like an ear cuff, resting comfortably without blocking your ear canal. This allows you to hear ambient sounds naturally.

Woman wearing cheero Smart Pro open-ear earphones, showing how they sit without blocking the ear

Image: A woman wearing the cheero Smart Pro earphones, demonstrating their open-ear design that allows ambient sound to be heard.

Power On/Off:

  • Power On: Open the charging case, or press and hold the multi-function button on both earphones for approximately 3 seconds.
  • Power Off: Place the earphones back into the charging case and close the lid, or press and hold the multi-function button on both earphones for approximately 5 seconds.

Music Playback:

  • Play/Pause: Single click the multi-function button on either the Left (L) or Right (R) earphone.
  • Next Track: Double click the multi-function button on the Right (R) earphone.
  • Previous Track / Restart Track: Double click the multi-function button on the Left (L) earphone. (If clicked within 3 seconds of a track starting, it will go to the previous track; otherwise, it restarts the current track).

Call Management:

  • Answer/End Call: Single click the multi-function button on either earphone.
  • Reject Call: Press and hold the multi-function button on either earphone for approximately 2 seconds.

Voice Assistant:

  • Activate Voice Assistant (Siri, Google Assistant, etc.): Triple click the multi-function button on either the Left (L) or Right (R) earphone.

Volume Control:

  • Volume Up: Long press the multi-function button on the Right (R) earphone.
  • Volume Down: Long press the multi-function button on the Left (L) earphone.

8. Maintenance

Cleaning:

  • Wipe the earphones and charging case with a soft, dry, lint-free cloth.
  • Do not use harsh chemicals, cleaning solvents, or strong detergents.
  • If the earphones come into contact with sweat, wipe them clean immediately with a soft cloth.

Storage:

  • When not in use, store the earphones in their charging case to protect them and keep them charged.
  • Store in a cool, dry place away from direct sunlight and extreme temperatures.

IP65 Dustproof and Water-Resistant Rating:

The earphones have an IP65 rating, which means they are protected against dust ingress and low-pressure water jets from any direction. This makes them suitable for use during light rain or sweaty workouts.

Multiple cheero Smart Pro earphones in different colors, with water droplets, illustrating IP65 rating

Image: Various colored cheero Smart Pro earphones shown with water droplets, indicating their IP65 dust and water resistance. The charging case is not water-resistant.

  • Important: The IP65 rating applies only to the earphones, not the charging case.
  • Do not submerge the earphones in water.
  • Avoid exposing the earphones to strong water jets or high-pressure water.

9. Troubleshooting

If you encounter any issues, please refer to the following common problems and solutions:

ProblemSolution
Earphones do not power on.Ensure the earphones are charged. Place them in the charging case and charge fully.
Cannot pair with device.1. Ensure Bluetooth is enabled on your device. 2. Make sure earphones are in pairing mode (indicators flashing). 3. Turn off Bluetooth on other nearby devices. 4. Forget "cheero Smart Pro" from your device's Bluetooth list and try pairing again.
No sound or low volume.1. Check volume levels on both earphones and your connected device. 2. Ensure earphones are properly connected via Bluetooth. 3. Recharge earphones.
Call quality is poor.1. Ensure the microphone is not obstructed. 2. Move closer to your connected device. 3. Avoid noisy environments.
Earphones disconnect frequently.1. Ensure earphones are within Bluetooth range of your device. 2. Avoid obstacles between earphones and device. 3. Fully charge earphones and device.

10. Specifications

Technical details for the cheero Wireless Open Earphones Smart Pro (Model CHE-647).

FeatureDetail
Brandcheero
Model NumberCHE-647
Product NameWireless Open Earphones Smart Pro
ConnectivityBluetooth 6.0 (Wireless)
Ear PlacementOpen-Ear
Headphone Form FactorTrue Wireless
Driver Size12mm
Noise ControlNone
Dustproof/Waterproof RatingIP65 (Earphones only)
Maximum Playback TimeApprox. 8 hours (earphones only)
Maximum Call TimeApprox. 6.5 hours (earphones only)
Included ComponentsUSB-C Cable
Technical Conformity Certification Number222-258045

Note: Playback and call times may vary depending on usage environment and connected device.

11. Warranty and Support

Warranty:

This product comes with a 1-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or exposure to conditions beyond the product's specifications (e.g., submersion in water for IP65 rated earphones).

Customer Support:

For any questions, technical assistance, or warranty claims, please contact cheero customer support through the retailer where you purchased the product or visit the official cheero website for contact information.

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