1. Introduction
Thank you for purchasing the QCY Crossky C30S Open-Ear Wireless Earbuds. This manual provides essential information for the safe and effective use of your device. Please read it thoroughly before use and retain it for future reference.
2. Product Overview
2.1 Package Contents
- QCY Crossky C30S Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- Instruction Manual
Image: Package contents of the QCY Crossky C30S, showing the earbuds, charging case, USB-C cable, and user manual.
2.2 Key Features
- High-Resolution Audio: Equipped with 10.8mm large-diameter dual-magnetic drivers, offering enhanced magnetic force and deeper bass reproduction. Supports Hi-Res Audio and LDAC for clear, three-dimensional sound. (LDAC codec is supported only on Android devices.)
- Comfortable Open-Ear Design: Weighing less than 5g per earbud, the ergonomic Z-shaped ear clip design ensures a secure fit without discomfort, even during extended wear.
- Extended Battery Life & Fast Charging: Provides up to 40 hours of total playback with the 460mAh charging case. A 10-minute quick charge offers approximately 1 hour of music playback.
- Advanced Bluetooth 6.0 & Multi-point Connectivity: Features the latest Bluetooth 6.0 chip for improved communication stability and transfer speed. Includes a low-latency mode for video and gaming. Supports simultaneous connection to two devices (e.g., smartphone and PC).
- Sound Leakage Prevention: Incorporates proprietary "Directional Sound 3.0 Technology" to suppress sound leakage by up to 99.5%, allowing private listening in quiet environments.
- QCY App Support: Customize EQ settings and touch controls via the dedicated QCY application.
- IPX5 Water Resistance: Designed to withstand sweat and light rain, suitable for workouts and commuting.
Image: Feature comparison between QCY C30S and C30, detailing advancements in sound quality, driver technology, sound leakage suppression, battery life, and Bluetooth connectivity.
3. Setup
3.1 Wearing the Earbuds
- Hold one earbud and clip it onto your ear like an ear cuff.
- Adjust the position so that the sound hole is directed towards your ear canal.
Note: For the Crossky C30S, the smaller sphere is the front, and the larger one is the back. Ensure correct orientation.
Image: Visual guide on wearing the earbuds, demonstrating the ear-clip method and sound hole alignment.
3.2 Initial Pairing
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, PC), enable Bluetooth.
- Search for "QCY Crossky C30S" in the list of available Bluetooth devices and select it to connect.
- Once connected, a voice prompt will confirm successful pairing.
3.3 QCY App Installation
For enhanced functionality and customization, download the official QCY app from your device's app store. The app allows you to adjust EQ settings, customize touch controls, and check battery levels.
Image: The QCY app interface, displaying options for battery monitoring, sound customization, and control settings.
4. Operating Instructions
4.1 Touch Controls
The QCY Crossky C30S earbuds feature intuitive touch controls. The default functions are as follows:
| Action | Function |
|---|---|
| Tap L/R earbud x2 | Play/Pause |
| Tap R earbud x3 | Next Track |
| Tap L earbud x3 | Voice Assistant |
| Press L/R earbud for 1.5s | Reject Call |
| Tap L/R earbud x2 during call | Answer/End Call |
| Tap L/R earbud x1 | Customizable via App |
Note: Some functions, like single tap, can be customized through the QCY app.
Image: A visual representation of the touch control gestures and their corresponding functions on the earbuds.
4.2 Charging the Earbuds and Case
To charge the earbuds, place them back into the charging case. The case will automatically begin charging them. To charge the charging case, connect it to a power source using the provided USB Type-C cable.
Image: The QCY Crossky C30S earbuds resting in their charging case, illustrating how they are stored and charged.
4.3 Multi-point Connection
The earbuds support connecting to two devices simultaneously. After pairing with the first device, disable Bluetooth on that device. Then, pair the earbuds with the second device. Re-enable Bluetooth on the first device, and the earbuds should automatically connect to both. This allows seamless switching between music playback on one device and calls on another.
Image: Earbuds connected to a smartphone and a laptop, showcasing the multi-point connection feature for flexible use.
5. Maintenance
5.1 Cleaning
Regularly clean your earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals. Do not immerse the earbuds or case in water.
5.2 Water Resistance (IPX5)
The earbuds are rated IPX5, meaning they are resistant to splashes of water and sweat. They are not designed for submersion in water or exposure to pressurized water jets. Ensure the earbuds are dry before placing them back in the charging case to prevent damage.
Image: The earbuds with water droplets, indicating their IPX5 water resistance for protection against sweat and splashes.
6. Troubleshooting
- No Sound: Ensure earbuds are charged, connected to your device, and volume is up.
- Cannot Pair: Make sure earbuds are in pairing mode (open case), Bluetooth is enabled on your device, and no other devices are connected. Try resetting the earbuds (refer to QCY app or full manual for specific reset instructions).
- Connection Drops: Ensure your device is within the Bluetooth range. Avoid obstacles between the earbuds and your device.
- One Earbud Not Working: Place both earbuds back in the case, close it, then open it again. Check battery levels for both earbuds in the QCY app.
- Charging Issues: Ensure the charging cable is securely connected to both the case and power source. Check for debris in the charging port.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | BH24QT33A |
| Brand | QCY |
| Connectivity Technology | Wireless (Bluetooth 6.0) |
| Driver Size | 10.8mm Dual-Magnetic Driver |
| Audio Codecs | Hi-Res Audio, LDAC (Android only) |
| Battery Capacity (Case) | 460mAh |
| Total Playback Time | Up to 40 hours (with charging case) |
| Fast Charging | 10 minutes charge for approx. 1 hour playback |
| Water Resistance | IPX5 |
| Control Method | Touch |
| Compatible Devices | Windows/Macbook PC, Android devices, iPhone devices |
| Package Dimensions | 12.6 x 8.5 x 3.8 cm |
| Package Weight | 110 g |
8. Warranty and Support
The QCY Crossky C30S comes with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
For warranty claims, technical support, or any inquiries regarding your product, please contact your retailer or visit the official QCY support website. Please have your proof of purchase and product model number (BH24QT33A) ready when contacting support.
9. Safety Information
- Do not disassemble, repair, or modify the product.
- Keep the product away from extreme temperatures, direct sunlight, and moisture.
- Avoid listening at high volume levels for extended periods to prevent hearing damage.
- Use only the provided charging cable or a certified equivalent.
- Keep out of reach of children and pets.
