Csasan J90 Pro Wireless Earbuds User Manual

Introduction

The Csasan J90 Pro Wireless Earbuds offer a high-fidelity stereo audio experience with advanced features designed for convenience and durability. This manual provides comprehensive instructions for setup, operation, and maintenance to ensure optimal performance.

Image: Csasan J90 Pro Wireless Earbuds in their charging case, displaying the battery percentage on the LED screen.

What's Included

Your Csasan J90 Pro package includes the following components:

• Bluetooth Earbuds x2 (Left and Right)
• Charging Case x1
• Ear Caps x3 pairs (S/M/L) - M size pre-installed on earphones
• USB-C Charging Cable x1
• User Manual x1

Image: Front view of the Csasan J90 Pro True Wireless Earbuds product box.

Image: Back view of the product box, detailing product parameters such as play time, charging time, impedance, and battery information.

Image: Side view of the product box, displaying regulatory marks like CE, RoHS, UKCA, and FCC ID: 2ASR9-J, indicating compliance and manufacturing origin.

Image: Side view of the product box, providing producer and address details for Shenzhen Enle Industry Co., Ltd.

Unboxing Video

Setup and Pairing

The J90 Pro earbuds feature Bluetooth 5.3 technology for fast and stable connections, along with one-step auto pairing for ease of use.

1. Initial Pairing:
   • Ensure your device's Bluetooth is turned on.
   • Open the charging case. The earbuds will automatically enter pairing mode.
   • On your device, search for "J90 Pro" in the Bluetooth settings and select it to connect.
   • Once connected, the earbuds will automatically connect to your phone whenever the charging case is opened.
2. Re-pairing/New Device: If the earbuds do not automatically connect, ensure they are charged and repeat the initial pairing steps.

Image: The earbuds in their charging case, illustrating the one-step pairing process with a smartphone displaying the "J90 Pro" Bluetooth connection.

Operating Instructions

Audio Features

The J90 Pro earbuds deliver immersive sound with 13mm composite diaphragms and AAC codec. They also feature ENC noise reduction for clear calls.

Image: An exploded diagram showcasing the internal components of the earbud, emphasizing the 13mm super large dynamic speaker for powerful stereo sound.

Image: A visual representation of the ENC (Environmental Noise Cancellation) noise-cancelling microphone feature, showing how it reduces background noise for clearer calls.

Smart Touch Controls

The earbuds are equipped with sensitive touch control panels for easy management of music and calls.

Image: A detailed diagram illustrating the various smart touch control functions on the earbuds, including play/pause, answer/hang up calls, volume adjustment, track control, and digital assistant activation.

Media Control Tutorial

• Volume Adjustment:
  • Left earbud (L): Turn up volume.
  • Right earbud (R): Turn down volume.
• Play/Pause: Double click either the Left (L) or Right (R) earbud.
• Next Song: Press and hold the Right (R) earbud for 2 seconds.
• Previous Song: Press and hold the Left (L) earbud for 2 seconds.
• Voice Assistant: Click either earbud three times.
• Camera Controls: Open your phone's camera function, then click either earbud once to take a photo.

Call Control Tutorial

• Answer Call: Click either the Left (L) or Right (R) earbud once.
• Hang Up Call: Long press either the Left (L) or Right (R) earbud for 2 seconds.
• Reject Call: Long press either the Left (L) or Right (R) earbud for 2 seconds when a call is incoming.

Battery and Charging

The earbuds provide extended playtime and feature a convenient LED display for battery monitoring.

• Playtime: Up to 6-8 hours on a single charge.
• Total Playtime with Case: The charging case provides an additional 4 charges, extending total playtime to 40 hours.
• Charging Time: Approximately 1.5 hours for a full charge of the earbuds.
• LED Display: The smart LED digital display on the charging case shows the battery level of both the earbuds and the case, indicating when charging is needed.

Image: A visual summary of the battery life, showing 8 hours per single charge, 40 hours total with the charging case, and 1.5 hours for fast charging.

Maintenance and Care

To ensure the longevity and optimal performance of your Csasan J90 Pro Wireless Earbuds, follow these care guidelines:

• IPX7 Waterproof: The earbuds feature IPX7 nano-coating technology, making them resistant to sweat and rain. They are suitable for use during workouts and in various weather conditions. However, they are not designed for swimming or submersion.
• Cleaning: Regularly clean the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
• Storage: Store the earbuds in their charging case when not in use to protect them and keep them charged.
• Temperature: Avoid exposing the earbuds to extreme temperatures (hot or cold) or direct sunlight for prolonged periods.

Image: The earbuds are designed for comfortable and secure fit, suitable for various activities including sports, thanks to their ergonomic design and IPX7 waterproof rating.

Specifications

Troubleshooting

If you encounter any issues with your Csasan J90 Pro Earbuds, please refer to the following common solutions:

• No Sound/Connection Issues:
  • Ensure both earbuds are charged.
  • Verify Bluetooth is enabled on your device and "J90 Pro" is selected.
  • Try placing the earbuds back in the case, closing it, and then reopening to reset the connection.
  • Forget the device in your phone's Bluetooth settings and re-pair.
• One Earbud Not Working:
  • Ensure both earbuds are properly seated in the charging case and charging contacts are clean.
  • Perform a factory reset if available (refer to the full user manual for specific steps).
• Charging Problems:
  • Check the USB-C cable and charging adapter.
  • Ensure the charging case is receiving power.
  • Clean the charging contacts on both the earbuds and the case.
• Touch Control Unresponsive:
  • Ensure your fingers are clean and dry.
  • Try restarting the earbuds by placing them in the case and taking them out.

Warranty and Support

Csasan is committed to providing high-quality products and services. For any further assistance, technical support, or warranty inquiries, please refer to the contact information provided with your product packaging or visit the official Csasan store on Amazon.

You can also find detailed product descriptions and answers to frequently asked questions on the product page.

Image: An illustration representing customer support, emphasizing that help is available for any product-related queries.

Manufacturer: Csasan

Place of Business: +8618065260197

FCC ID: 2ASR9-J

ASIN: B0BZ476D5L

Product Link: Amazon Product Page

Brand Store: Csasan Official Store