Csasan V90 Bluetooth 5.3 Wireless Sport Earbuds

Introduction

Thank you for choosing the Csasan V90 Bluetooth 5.3 Wireless Sport Earbuds. These earbuds are designed to provide a superior audio experience with advanced features tailored for active lifestyles. Enjoy crystal-clear sound, stable connectivity, and long-lasting comfort with your new earbuds.

The Csasan V90 earbuds are shown inside their sleek black charging case, ready for use.

What's in the Box

Please check the package contents to ensure all items are present:

• 2x Bluetooth Earbuds (Left and Right)
• 1x Charging Case
• 1x User Manual
• 3 pairs of Ear Tips (Sizes S/M/L)
• 1x USB-C Charging Cable

An illustration of all items included in the Csasan V90 earbud package.

Setup

Initial Pairing

1. Charge the Earbuds: Before first use, fully charge the earbuds and the charging case. Connect the USB-C cable to the charging case and a power source. The LED display on the case will show the charging status.
2. Power On: Open the charging case. The earbuds will automatically power on and enter pairing mode.
3. Connect to Device: On your device (smartphone, tablet, etc.), enable Bluetooth. Search for "V90" in the list of available Bluetooth devices and select it to connect.
4. Successful Connection: Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.

The earbuds automatically power on and connect when the case is opened, simplifying the pairing process.

Operating Instructions

Smart Touch Control

The Csasan V90 earbuds feature intuitive touch controls on each earbud for easy management of music and calls. The touch-sensitive area is located on the outer surface of each earbud.

Visual guide to the touch controls on each earbud.

Maintenance

Charging the Earbuds and Case

The earbuds provide up to 8 hours of playtime on a single charge, with an additional 40 hours provided by the 400mAh charging case, totaling up to 48 hours of autonomy. The intelligent LED display on the case clearly shows the charge level of both the earbuds and the case.

• Place the earbuds back into the charging case to automatically begin charging.
• To charge the case, connect it to a USB power source using the provided USB-C cable.
• A full charge for the case takes approximately 1.5 hours.

Information on battery life and charging times for the earbuds and charging case.

Water Resistance (IP7)

The V90 earbuds are designed with an IP7 waterproof rating, making them resistant to sweat and rain. This makes them ideal for intense workouts, running, and other outdoor activities. Note: The charging case is not waterproof. Do not submerge the earbuds or case in water.

Proper Fit and Comfort

For optimal sound quality and secure fit, choose the correct size of ear tips (S/M/L) provided. The ergonomic design with flexible ear hooks ensures the earbuds stay comfortably in place during any activity.

• Step 1: Insert the earbud into your ear canal.
• Step 2: Place the ear hook over your ear.
• Step 3: Adjust the earbuds by rotating them slightly for a comfortable and secure fit.

Instructions for achieving a stable and comfortable fit with the provided ear tips.

Troubleshooting

• Earbuds not pairing: Ensure both earbuds are charged. Place them back in the case, close the lid, wait a few seconds, then open the lid again to re-initiate pairing mode. Check your device's Bluetooth settings and try reconnecting.
• No sound from one earbud: Ensure both earbuds are charged and connected. Try resetting the earbuds by placing them in the case and then taking them out.
• Poor sound quality: Ensure the earbuds are clean and free of debris. Try adjusting the ear tips for a better seal in your ear canal. Check the audio source device's volume and sound settings.
• Earbuds not charging: Ensure the charging cable is securely connected to both the case and the power source. Check if the charging pins on the earbuds and inside the case are clean and free of obstruction.
• Touch controls not responding: Ensure your fingers are clean and dry. Try restarting the earbuds by placing them in the case and taking them out.

Specifications

Warranty and Support

Manufacturer's Warranty

Csasan provides a 2-year warranty for this product. You can purchase with confidence, knowing your product is covered.

Csasan is committed to product quality and customer satisfaction.

Customer Support

Csasan is a technology company specializing in the design and production of Wireless Bluetooth Earbuds, committed to providing buyers with high-quality customer service. If you encounter any problems while using our products, we will respond within 24 hours.

If you are unable to resolve an issue through Amazon's return process or customer service, please contact us directly. We are dedicated to resolving your problems promptly and ensuring your rights and interests are protected.

Our customer support team is ready to assist you with any inquiries or issues.