cheero CHE-645

cheero Wireless Open Earphones Smart User Manual

Model: CHE-645

Introduction

Thank you for purchasing the cheero Wireless Open Earphones Smart. These earphones are designed to provide a comfortable listening experience while allowing you to stay aware of your surroundings. Featuring an open-ear design, Bluetooth 5.3 connectivity, and IPX5 water resistance, they are perfect for various activities from daily commutes to outdoor exercises. This manual will guide you through the setup, operation, and maintenance of your new earphones.

cheero Wireless Open Earphones Smart product box

Image: The product packaging for the cheero Wireless Open Earphones Smart, showcasing the mint color variant.

Safety Information

Please read this section carefully before using the product to ensure safe and proper operation.

Package Contents

Please check that all items are present in the package:

Product Overview

Familiarize yourself with the different parts of your earphones and charging case.

Diagram of cheero Wireless Open Earphones Smart components

Image: A detailed diagram showing the components of the cheero Wireless Open Earphones Smart and their charging case. The earphones feature a multi-indicator, balance port, head, multi-function button, body, charging terminal, bridge (joint part), and sound output port. The charging case includes a battery indicator and a USB-C input port.

Setup

1. Charging the Earphones and Case

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

  1. Place the earphones into the charging case. Ensure they are correctly seated.
  2. Connect the USB-C charging cable to the charging case's USB-C input port and the other end to a USB power adapter (not included) or a computer's USB port.
  3. The indicator lights on the case will show the charging status. Once fully charged, the lights will indicate completion or turn off.
cheero Wireless Open Earphones Smart in charging case

Image: The cheero Wireless Open Earphones Smart placed inside their charging case, ready for charging.

2. Pairing with a Bluetooth Device

The earphones support automatic pairing for convenience.

  1. Open the charging case. The earphones will automatically enter pairing mode, and the indicator lights will flash.
  2. On your device (smartphone, tablet, computer), enable Bluetooth.
  3. Search for "cheero Smart Earphones" or a similar name in the list of available Bluetooth devices.
  4. Select the earphones to connect. Once connected, the indicator lights on the earphones will stop flashing.
  5. If pairing fails, close the case, wait a few seconds, and repeat the steps.
cheero Wireless Open Earphones Smart in use with a device

Image: A visual representation of the cheero Wireless Open Earphones Smart, highlighting their open-ear design and compatibility with various devices.

Operating Instructions

The cheero Wireless Open Earphones Smart feature physical buttons to prevent accidental touches. The controls are mirrored on both the left (L) and right (R) earphones, with slight differences for volume and track control.

Diagram of cheero Wireless Open Earphones Smart button controls

Image: A diagram illustrating the button controls for the cheero Wireless Open Earphones Smart. It shows functions for single click, double click, triple click, and long press for both the right (R) and left (L) earphones.

Music Playback Controls

ActionRight Earphone (R)Left Earphone (L)
Play/Pause1 Click1 Click
Next Track2 ClicksN/A
Previous TrackN/A2 Clicks
Volume UpLong PressN/A
Volume DownN/ALong Press

Call Management

ActionControl
Answer/End Call1 Click (Either earphone)
Reject CallLong Press (Either earphone)

Voice Assistant Activation

ActionControl
Activate Siri / Voice Assistant3 Clicks (Either earphone)
End Voice Assistant3 Clicks again (Either earphone)

Maintenance

Proper maintenance will extend the lifespan of your earphones.

Troubleshooting

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

ProblemPossible Cause / Solution
Earphones do not turn on.Battery may be depleted. Place earphones in the charging case and charge fully.
Cannot pair with device.
  • Ensure Bluetooth is enabled on your device.
  • Make sure earphones are in pairing mode (indicator lights flashing).
  • Move earphones closer to your device.
  • Forget the device from your Bluetooth list and try pairing again.
  • Restart both earphones and your device.
No sound or sound cutting out.
  • Check volume levels on both earphones and your device.
  • Ensure earphones are within Bluetooth range of your device.
  • Re-pair the earphones with your device.
  • Check for obstructions between earphones and device.
Charging case not charging.
  • Ensure the USB-C cable is securely connected.
  • Try a different USB power adapter or USB port.
  • Check if the charging cable is damaged.

Specifications

FeatureDetail
Model NumberCHE-645
Connectivity TechnologyWireless (Bluetooth 5.3)
Ear PlacementOpen-Ear
Headphone Form FactorTrue Wireless
Waterproof RatingIPX5 (Water droplet level, not for submersion)
Weight (per earphone)Approx. 3.6g
Impedance32 Ohms
Included ComponentsEarphones, Charging Case, USB-C Cable
Manufacturercheero
ColorMint
Technical Compliance CertificationCertified (Certification number: 219-239183)
cheero Wireless Open Earphones Smart in various colors

Image: A display of the cheero Wireless Open Earphones Smart available in multiple colors, highlighting their sleek design and IPX5 waterproof rating.

Warranty and Support

cheero products are manufactured and inspected according to strict Japanese manufacturer standards, including circuit board design checks by quality control personnel, to ensure safety and quality.

If you experience any initial defects or malfunctions during use, please contact us first. When contacting support, please provide your Amazon order number for faster assistance.

For further assistance, please visit the cheero brand store on Amazon.

Related Documents - CHE-645

Preview cheero CHE-643 Wireless Earphones User Manual
User manual for the cheero CHE-643 Wireless Open Earphones, providing instructions on setup, usage, safety precautions, and troubleshooting.
Preview Cheero TouchBone Wireless Earphones User Manual
User manual for the Cheero TouchBone wireless earphones, including safety precautions, operating instructions, troubleshooting, and specifications.
Preview cheero TouchBone Bone Conduction Headphones User Manual - Features, Operation, and Specifications
Comprehensive user manual for the cheero TouchBone Bone Conduction Headphones. Learn about features, Bluetooth pairing, music playback, call handling, maintenance, and FCC compliance.
Preview CHE-645 Wireless Earphones: Instruction Manual and User Guide
Comprehensive instruction manual for TRA COMPANY LTD. CHE-645 Wireless Earphones. Learn how to wear, connect, charge, and operate your earphones, plus FCC compliance information.