Binchi -400 Ultralight Simple Frameless Blue Light Blocking Glasses: Smart light-sensitive color-changing lenses
For anyone spending long hours in front of screens, these lightweight blue light glasses offer more than just eye strain relief. They provide a seamless transition from work to relaxation with their smart light-sensitive lenses that automatically adjust tint based on your environment.
You will notice the lenses subtly shift color as you move from your bright office to a dimly lit room, reducing glare without manual adjustments. This feature helps maintain visual comfort throughout your day, whether you are focusing on a project or unwinding with a book. The frameless design ensures they feel almost invisible on your face, making them ideal for all-day wear without discomfort.
Features
- Blue light protection
- Ultralight design
- Frameless construction
- Smart light-sensitive color-changing lenses
General specs
- Brand: Binchi
- Model: -400
- Seller: Joom
- ID: 661a02589754f48699e22b07
- Features: Foldable
- Frame Type: Rimless
- UV Protection: Yes
- Lens Technology: Blue Light Blocking, Photochromic
- First listed by seller: 12/10/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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| Brand | Binchi | Rokid | Amazon | Rokid | ||
| Model | -400 | W630 | W620 | Max 2 | Frames (newest model) | Max2 |
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| Price | $18.19 | $78.90 | $60.70 | $359.00 | $114.99 | $499.00 |
| Seller | Joom | Banggood | Banggood | Amazon | Amazon | Amazon |
| Update | December 13, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 | December 6, 2025 | December 9, 2025 |
| Frame Type | Rimless | Full Rim | Full Rim | Full Rim | ||
| UV Protection | Yes | UV400 | UV400 | UV400 | ||
| Size | One Size | 50° FOV | One Size | |||
| Gender | Unisex | Unisex | Unisex | |||
| Weight | <num1>, <num2> | 75 | 75 | |||
| Controls | Touch, Voice | Touch | Gesture, Voice, Touch | |||
| Lens Type | Photochromic | Progressive | Polarized | |||
| Lens Color | Brown, Gray, Silver | Silver | ||||
| Battery Life | 12 | 12 | Up to 6 hours continuous media playback, Up to 14 hours moderate usage | 3.5 | ||
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | ||
| Frame Material | TR90 | TR90 | Polycarbonate | |||
| Charging Method | USB | USB | USB | USB | ||
| Audio Technology | Bone Conduction | Open-Ear | ||||
| Battery Capacity | 290 | 290 | 5000 | |||
| OS Compatibility | Android 6.0+, iOS 10.0+ | Android 6.0+, iOS 10.0+ | Android 6.0+, iOS 10.0+ | |||
| Bluetooth Version | 5.0 | 5.2 | ||||
| Blue Light Filtering | Yes | Yes | Yes | |||
