1. Product Overview
The SUNPOW Ultrasonic Jewelry Cleaner Machine (Model GXZ-C2-US) is designed for effective and gentle cleaning of various items, including jewelry, glasses, watches, and contact lenses. It features a unique dual-chamber design and 45kHz dual-frequency ultrasonic technology for thorough cleaning.

Image: The SUNPOW Ultrasonic Jewelry Cleaner Machine in operation, demonstrating its 45kHz powerful ultrasonic cleaning and 360-degree deep cleaning capabilities for various items.
2. Safety Instructions
- Always ensure the device is unplugged when not in use or when filling/emptying water.
- Keep the device away from children.
- Do not immerse the main unit in water.
- Avoid using harsh chemicals; water-based solutions are recommended.
- The device has overheat protection. After 15 minutes of continuous use, wait 5 minutes before restarting.
- Do not clean items with scratches, cracks, or loose/soft/porous gemstones (e.g., pearls, emeralds, amber, opals) to prevent damage.
3. Package Contents
Verify that all items are present in the package:
- SUNPOW Ultrasonic Jewelry Cleaner Machine
- Cleaning Jewelry Basket
- Contact Lens Cleaning Basket
- Power Adapter
- User Guide (this manual)

Image: The SUNPOW Ultrasonic Jewelry Cleaner Machine, along with its power adapter, jewelry cleaning basket, and contact lens cleaning basket.
4. Setup
- Place the ultrasonic cleaner on a stable, flat surface.
- Open the transparent lid.
- Pour clean water into the main tank up to the 'MAX' fill line. For enhanced cleaning, a suitable cleaning solution can be added.
- If cleaning contact lenses, place them in the dedicated small contact lens basket with appropriate solution.
- Connect the power adapter to the DC 12V port on the back of the device and plug it into a power outlet.

Image: Visual guide showing the steps to use the cleaner: pour water/solution, place items, plug in, select mode, choose compartment, and wipe dry.
5. Operating Instructions
5.1 Power On/Off and Mode Selection
- Power On/Off: Long-press the power button (⏻) for 3 seconds to turn the device on or off.
- Cleaning Modes: Once powered on, single-press the power button to cycle between standard cleaning (300 seconds) and deep cleaning (600 seconds). The indicator lights will show the selected mode.
- Tank Selection: Use the left button (☰) to select which tank to activate: 'BIG' for the large tank, 'SMALL' for the contact lens tank, or 'ALL' for both.

Image: Close-up of the intuitive control panel with buttons for selecting 'BIG', 'SMALL', or 'ALL' tanks, and the power button with indicators for standard and deep cleaning modes.
5.2 Cleaning Process
- Place your items into the appropriate cleaning tank(s). Use the provided baskets for smaller items like rings or contact lenses.
- Close the transparent lid.
- Select your desired cleaning mode and tank(s) using the control panel.
- The device will automatically start the cleaning cycle.
- Once the cycle is complete, the device will automatically shut off.
- Open the lid, carefully remove your items, rinse them with clean water, and dry them with a soft cloth.
5.3 Recommended and Not Recommended Items

Image: A visual guide detailing items suitable for ultrasonic cleaning (e.g., contact lenses, eyeglasses, rings, makeup brushes) and items not recommended (e.g., glasses with scratches, tarnished silver, jewelry with soft gemstones).
Recommended:
- Contact Lenses & Cases
- Eyeglasses, waterproof watches, metal bands
- Rings, necklaces, earrings (non-gemstone)
- Makeup brushes, nail clippers, combs, shaver heads, toothbrushes, dentures
Not Recommended:
- Glasses/sunglasses with scratches or cracks in the coating
- Tarnished silver
- Jewelry with loose or soft/porous gemstones (e.g., pearls, emeralds, amber, opals)
6. Maintenance
- After each use, empty the water from the tank and wipe the interior with a soft, dry cloth.
- Do not use abrasive cleaners or harsh chemicals on the device.
- Store the device in a cool, dry place when not in use.
7. Troubleshooting
- Device not turning on: Ensure the power adapter is securely plugged into both the device and a working power outlet. Long-press the power button for 3 seconds.
- No ultrasonic action: Check if the tank is filled with water above the minimum level. Ensure a cleaning mode is selected.
- Poor cleaning results: Ensure items are properly submerged. Consider using a specialized ultrasonic cleaning solution for stubborn dirt. For items with heavy buildup, a gentle brush may be used after the ultrasonic cycle.
- Device stops unexpectedly: The device has an overheat protection feature. If it stops after 15 minutes, allow it to cool down for 5 minutes before restarting.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | SUNPOW |
| Model Number | GXZ-C2-US |
| Ultrasonic Frequency | 45kHz |
| Noise Level | < 45dB |
| Safety Feature | 15-minute Overheat Protection |
| Included Components | Cleaning jewelry baskets, Adapter, User Guide, Contact Lens Cleaning Basket |
| Item Weight | 0.51 Kilograms |
9. Official Product Videos
SUNPOW Ultrasonic Jewelry Cleaner
Video: An official demonstration of the SUNPOW Ultrasonic Jewelry Cleaner, showcasing its features and cleaning capabilities for various items.
I Tested the SunPow Ultrasonic Cleaner and WOW!
Video: A seller's review demonstrating the effectiveness of the SunPow Ultrasonic Cleaner on various items, highlighting its cleaning power.
UV Ultrasonic Cleaner HONEST REVIEW
Video: An honest review by a seller, detailing the performance and features of the UV Ultrasonic Cleaner.
Jewelry cleaning machine
Video: A seller's video demonstrating the jewelry cleaning machine in action, showing its effectiveness on various jewelry pieces.
I WISH I knew this before I got it ... MUST WATCH!!
Video: A seller's detailed review and demonstration of the ultrasonic cleaner, offering insights into its performance and benefits.
10. Warranty and Support
For warranty information or technical support, please refer to the contact details provided on the product packaging or the official SUNPOW website. Keep your purchase receipt for warranty claims.