Introduction
The Csasan J90 Pro Wireless Earbuds are designed to provide a superior audio experience with advanced features for daily use and active lifestyles. Featuring Bluetooth 5.3 technology, these earbuds offer stable connectivity, immersive HiFi stereo sound, and effective ENC noise cancellation for clear calls. With a long-lasting battery and IP7 waterproof rating, they are built for convenience and durability.
The Csasan J90 Pro Wireless Earbuds in their rose-colored charging case, showcasing the digital battery display.
What's in the Box
Verify that all components are present in the package:
- Bluetooth headphones (2)
- Charging box (1)
- Manual (1)
- USB-C charging cable (1)
- 3 sizes of ear tips (S/M/L)
Included components: earbuds, charging case, USB-C cable, and various ear tip sizes.
An overview video demonstrating the Csasan Wireless Earbuds and their features.
Setup
Initial Charging
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging case and a power source. The LED digital display on the case will indicate the charging status and battery levels.
One-Step Auto Pairing
- Ensure your device's Bluetooth is enabled.
- Open the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device, search for "J90 Pro" in the Bluetooth settings and select it to connect.
- Once successfully paired, the earbuds will automatically connect to your phone whenever you open the charging case.
Visual guide for one-step auto pairing with various operating systems.
The earbuds automatically connect to your device upon opening the case after initial pairing.
Operating Instructions
Touch Controls
The J90 Pro earbuds feature sensitive touch control panels on both earbuds for easy management of audio and calls:
- Play/Pause: Tap twice on either earbud.
- Answer/End Call: Tap once on either earbud.
- Reject Call: Press and hold for 2 seconds on either earbud.
- Volume Up: Tap once on the Right earbud.
- Volume Down: Tap once on the Left earbud.
- Next Track: Press and hold for 2 seconds on the Right earbud.
- Previous Track: Press and hold for 2 seconds on the Left earbud.
- Activate Voice Assistant: Tap 3 times on either earbud.
Overview of touch control functions for music and calls.
Comprehensive guide to left and right earbud touch controls.
Sound Quality and Noise Cancellation
The earbuds feature 13mm composite diaphragms for rich, immersive HiFi stereo sound. Equipped with ENC noise reduction dual microphones, they effectively reduce up to 40dB of external ambient noise, ensuring crystal-clear calls even in noisy environments.
Internal components illustrating the 13mm super large dynamic speaker for powerful stereo sound.
Illustration of the ENC noise cancelling microphone, eliminating up to 40dB of external ambient noise.
Battery Life and LED Display
Enjoy up to 6-8 hours of playback on a single charge. The charging case provides an additional 4 charges, extending total playtime to 40 hours. The smart LED digital display on the charging case shows the battery percentage of the case and the individual charge status of each earbud (L/R).
The charging case with its LED display indicating battery levels for the case and individual earbuds.
Infographic detailing the 40-hour long listening time with the charging case.
The Bluetooth 5.3 chip and the LED power display on the charging case.
Maintenance
IP7 Waterproof Rating
The earbuds are IP7 waterproof, meaning they are protected against immersion in water up to 1 meter for up to 30 minutes. This makes them suitable for workouts and use in light rain. However, they are not designed for swimming or prolonged submersion. Always ensure the charging port is dry before charging.
The IP7 waterproof rating allows for use during workouts and in various weather conditions.
The IP7 waterproof feature ensures durability against sweat and rain.
Cleaning and Storage
Regularly clean the earbuds and charging case with a soft, dry cloth. Remove ear tips and clean them with mild soap and water, ensuring they are completely dry before reattaching. Store the earbuds in their charging case when not in use to protect them and maintain battery life.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing/connecting. | Bluetooth off, out of range, previously paired to another device. | Ensure Bluetooth is on. Place earbuds closer to device. Forget "J90 Pro" on other devices and re-pair. |
| No sound or low volume. | Device volume low, earbuds not seated correctly, dirty ear tips. | Increase device volume. Adjust earbuds for a snug fit. Clean ear tips and earbud mesh. |
| Earbuds not charging. | Charging cable issue, dirty charging contacts, case battery empty. | Try a different USB-C cable. Clean charging contacts on earbuds and case. Charge the case. |
| Call quality is poor. | Environmental noise, microphone obstruction. | Move to a quieter environment. Ensure microphones are not covered. |
A video demonstrating the features and usage of the 2024 Bluetooth Headphones, which may assist with common operational queries.
Specifications
| Feature | Detail |
|---|---|
| Model Name | J90 Pro |
| Brand | Csasan |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Bluetooth Range | 15 Meters |
| Audio Driver Size | 13 Millimeters |
| Battery Life (Earbuds) | 6-8 Hours (single charge) |
| Total Playtime (with case) | 40 Hours |
| Charging Time | 1.5 Hours |
| Water Resistance Level | IP7 Waterproof |
| Noise Control | ENC Noise Cancellation (Dual Mic) |
| Control Type | Touch Control |
| Compatible Devices | Most iOS and Android devices with Bluetooth |
| Item Weight | 30 Grams (earbuds) / 1.06 ounces (total) |
| Product Dimensions | 0.79 x 0.79 x 0.79 inches |
| Material | Plastic |
Warranty and Support
Csasan offers a 2-year warranty for the J90 Pro Wireless Earbuds, ensuring peace of mind regarding product quality and performance.
For any inquiries, technical assistance, or warranty claims, please contact Csasan customer service. We aim to provide a 24-hour customer service response to address your needs promptly.
You can also refer to the official User Manual (PDF) for more detailed information: Download User Manual (PDF)
Csasan's commitment to product warranty and customer support.
