The SJ-004 Modern USB Mini LED Eye Protection Folding Book Clip Portable Reading Lamp is a versatile lighting solution designed for modern lifestyles. Manufactured by Xiamen Zhengdong Electronics Co., Ltd., this lamp combines portability with eye-comfort technology. Its primary use case is for students, professionals, and home users who require focused, adjustable lighting for reading, studying, or working in low-light conditions. The lamp features a flexible clip design for easy attachment to desks, headboards, or shelves, and its foldable nature makes it an ideal travel companion.
Technical Specifications
Parameter
Details
Model Number
SJ-004
Brand Name
Huawang
Light Source
LED
Input Voltage
5V (USB powered)
Luminous Flux
100 lm
Color Temperature
6000K (Daylight White)
Color Rendering Index (CRI)
80
Lifespan
50,000 hours
Control Mode
Manual Button
Dimmer Support
Yes
Lamp Body Material
Plastic
Certification
CE, RoHS
Warranty
1 Year
Usage & Applications
Primary Use Cases
Student Dormitories: Ideal for late-night studying without disturbing roommates due to its focused beam and adjustable brightness.
Bedside Reading: Clip it onto a headboard for comfortable reading in bed, providing direct light onto the book without flooding the room.
Office/Desk Work: Perfect as a task light for paperwork, crafts, or keyboard illumination, reducing eye strain from overhead lighting.
Portable Lighting: Its compact and foldable design makes it suitable for travel, camping, or use in any temporary workspace.
Setup and Operation
Power Connection: Connect the lamp's USB cable to a power source such as a laptop, power bank, or standard USB wall adapter.
Attachment: Open the clip and securely attach it to the desired surface (e.g., desk edge, book, headboard).
Adjustment: Bend the flexible gooseneck to direct the light precisely where needed.
Power On/Off: Press the manual button to turn the lamp on or off.
Dimming (if applicable): Some models may require multiple presses of the button to cycle through different brightness levels.
Buying Guide
When purchasing the SJ-004 Reading Lamp, consider the following factors to ensure you get the right product and a smooth transaction:
Supplier Verification: Purchase from verified suppliers or manufacturers on platforms like ajfpt.com. Check the supplier's transaction history and customer ratings.
Minimum Order Quantity (MOQ): For wholesale buyers, confirm the MOQ with the supplier. Retail buyers should look for suppliers offering single-piece or small-quantity orders.
Customization Options: Some suppliers offer OEM/ODM services. If you require custom branding, packaging, or slight modifications to the product, inquire about these services.
Shipping and Logistics: Understand the shipping costs, delivery times, and available logistics options (e.g., air freight, sea freight, express courier).
Sample Testing: Before placing a large order, consider ordering a sample to inspect the product's quality, functionality, and packaging.
User Reviews & Evaluation
Pros (Based on User Feedback)
Portability: Users love its lightweight and foldable design, making it easy to carry in a backpack or laptop bag.
Eye Comfort: The 6000K daylight white light is often described as comfortable for extended reading sessions, reducing glare.
Versatile Clip: The strong clip can be attached to various surfaces, providing stability and flexibility.
Energy Efficient: Being LED and USB-powered, it consumes very little power and is cost-effective to operate.
Cons (Potential Drawbacks)
Plastic Build: Some users note that the plastic construction, while lightweight, may feel less durable compared to metal alternatives.
Limited Brightness: At 100 lumens, it is excellent for close-up tasks but may not be sufficient for illuminating a large area.
USB Cable Length: The standard cable length might be short for some setups, requiring an extension or careful placement of the power source.
After-Sales Service & Support
When purchasing through platforms like ajfpt.com, buyers are protected by a range of after-sales services.
Warranty Policy
The product typically comes with a 1-year limited warranty covering manufacturing defects. The warranty is usually honored by the supplier or manufacturer.
Dispute Resolution Process
Contact the Supplier: The first step is to communicate directly with the supplier to resolve the issue (e.g., defective product, wrong item received).
Open a Dispute: If a resolution cannot be reached with the supplier, buyers can open a dispute on the ajfpt.com platform within 15 days of receiving the goods.
Provide Evidence: Upload relevant evidence, such as photos/videos of the defective product, chat records with the supplier, and order details.
Platform Intervention: 6688789's customer service will review the case and mediate between the buyer and supplier to reach a fair solution (refund, replacement, or partial compensation).
Return and Refund Policy
Policies vary by supplier. Generally, returns are accepted for defective or incorrectly shipped items. The buyer may need to cover return shipping costs unless otherwise agreed upon. Refunds are processed once the returned item is received and inspected by the supplier.
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