Csasan Wireless Earbuds J90 Pro User Manual

Introduction

Thank you for choosing the Csasan J90 Pro Wireless Earbuds. These earbuds are designed to provide a superior audio experience with advanced features such as Bluetooth 5.3 connectivity, HiFi stereo sound, long battery life, and IP7 waterproofing. This manual will guide you through the setup, operation, and maintenance of your new earbuds.

Image: The Csasan J90 Pro Wireless Earbuds in their charging case, showcasing the sleek black design and LED power display.

What's in the Box

• 2x Wireless Headphones (L/R)
• 1 x Fast Charging Case
• 1 x Type-C Charging Cable
• 3 x Pairs of Earplugs (S, M, L)
• 1 x Instruction Manual

Image: A visual representation of all items included in the Csasan J90 Pro Wireless Earbuds package, including the earbuds, charging case, USB-C cable, and various ear tip sizes.

Product Overview

The J90 Pro earbuds feature a sleek design with advanced audio components. The charging case includes an LED digital display to show battery levels for both the case and individual earbuds.

Key Features:

• Bluetooth 5.3: Provides faster transfer speeds and a more stable connection with minimal delay.
• Immersive HiFi Stereo Sound: Equipped with 13mm composite diaphragms and AAC codec for professional-grade audio.
• ENC Noise Cancelling Mics: Dual microphones reduce background noise by 80% for clear calls.
• 40 Hours Playtime: 6-8 hours on a single charge, with an additional 4 charges from the case.
• Smart LED Digital Display: Monitor battery levels of earbuds and charging case.
• Touch Control: Manage music, calls, and volume directly from the earbuds.
• IP7 Waterproof: Nano-coating technology protects against sweat and rain.

Image: An overview of the Csasan J90 Pro's main features, highlighting its audio quality, connectivity, battery life, and durability.

Image: Close-up of the Bluetooth 5.3 chip and the charging case's LED display, indicating battery levels and connection status.

Image: An exploded diagram illustrating the 13mm super large dynamic speaker components responsible for the powerful stereo sound.

Setup

Initial Pairing:

1. Ensure the earbuds are charged.
2. Open the charging case. The earbuds will automatically power on and enter pairing mode.
3. On your device (smartphone, tablet, etc.), go to Bluetooth settings.
4. Search for "J90 Pro" in the list of available devices and select it to connect.
5. Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.

Re-connection:

After the initial pairing, simply open the charging case, and the earbuds will automatically connect to the last paired device (if Bluetooth is enabled on the device).

Image: A visual guide demonstrating the one-step auto-pairing process of the earbuds with a mobile device, showing the "J90 Pro" appearing in the Bluetooth device list.

Operating Instructions

The J90 Pro earbuds feature sensitive touch controls on both the left and right earbuds for easy management of various functions.

Touch Control Functions:

Image: Icons illustrating the various smart touch control functions available on the earbuds, including play/pause, call answer/hang up, volume adjustment, and track switching.

Charging

The J90 Pro earbuds offer extended playtime with their charging case. The LED display on the case provides real-time battery status.

• Earbud Playtime: 6-8 hours on a single charge.
• Total Playtime (with case): Up to 40 hours.
• Charging Time: Approximately 1.5 hours for both earbuds and charging case.

Charging the Earbuds:

Place the earbuds into the charging case. They will automatically begin charging. The LED display will show the individual earbud battery levels.

Charging the Case:

Connect the provided Type-C charging cable to the charging port on the case and plug the other end into a USB power source. The LED display will show the charging progress of the case.

Image: Visualizing the 40-hour total playtime, 6-8 hours per single charge, and 1.5-hour fast charging capability of the earbuds and case.

Maintenance & Care

• Cleaning: Regularly clean the earbuds and charging contacts with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
• Waterproofing (IP7): The earbuds are IP7 waterproof, meaning they can withstand sweat and rain. However, they are not designed for swimming or prolonged submersion. Ensure they are dry before placing them back in the charging case.
• Storage: Store the earbuds in their charging case when not in use to protect them and keep them charged. Avoid extreme temperatures.
• Battery Longevity: To prolong battery life, avoid fully discharging the earbuds and case frequently. Charge them regularly.

Image: A person being splashed with water, visually representing the IP7 waterproof capability of the earbuds, suitable for workouts and light rain.

Troubleshooting

Specifications

• Model Name: J90 Pro
• Bluetooth Version: 5.3
• Audio Driver Size: 13mm Dynamic Driver
• Frequency Range: 20 Hz - 20,000 Hz
• Battery Life (Earbuds): 6-8 hours
• Battery Life (Total with Case): 40 hours
• Charging Time: 1.5 hours (Earbuds & Case)
• Water Resistance: IP7 Waterproof
• Control Type: Touch Control
• Noise Control: Passive Noise Cancellation (ENC for Mics)
• Compatible Devices: Most iOS and Android devices with Bluetooth
• Product Dimensions: 2.76 x 1.97 x 1.57 inches
• Item Weight: 3.52 ounces (0.1 Kilograms)

Warranty & Support

Csasan offers a 2-year warranty for the J90 Pro Wireless Earbuds. For any product inquiries, technical support, or warranty claims, please contact Csasan customer service. You can find contact information on the official Csasan website or through your purchase platform.

Csasan is committed to minimizing environmental impact and supports SDG initiatives. For more information, please visit the Csasan Store on Amazon.

Image: Details about Csasan's 2-year warranty and commitment to environmental sustainability, including a Climate Pledge Friendly badge.