Smart Glasses Bluetooth-compatible Audio Open Ear Headphones Anti-Blue Light Anti-UV Lens | J21 Pro-WearableMaster
Price range: $41.22 through $50.16
1. Get $30 OFF For First Order,Ending Soon
2. Get Extra $30 OFF, Use Code: TM30 over $600
3. Get Extra $120 OFF,Use Code: TM120 over $1200
4. Get a 20% OFF code after ordered
Why You’ll Love It?
KRETA J21 Pro Smart Glasses Bluetooth-compatible Audio Open Ear Headphones Anti-Blue Light Anti-UV Lens – Black
【Superior Sound Quality】Featuring patented speaker module technology with Japanese-imported diaphragms, delivering CD-quality audio through a unique six-channel, 3D surround sound system with spiral directional frequency division.
【Open Directional Audio】Protects your ears and privacy while providing an immersive listening experience with three sound outlets on each side for high, mid, and low frequencies.
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WearableMaster'Opintion For Your Selection
WearableMaster'Opinion For Your Selection
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Hands-Free Smart Capture Performance - 81%
81%
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Bluetooth-Compatible Experience - 81%
81%
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Smart Interaction Utility - 81%
81%
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Anti-Blue Light Comfort - 81%
81%
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8 Hours Playback Endurance - 82%
82%
Best Uses and Buyer Fit
Use cases: hands-free calls, open-ear music, voice assistant access, commuting and outdoor activities.
Best for: users who want connected audio features in an eyewear form for daily movement and communication.
Benefits: J21 Pro combines Bluetooth-compatible, smart interaction, Anti-Blue Light and 8 hours playback in a wearable eyewear format.
Ideal buyer profiles: commuters, drivers, walkers, office users and buyers moving from standard sunglasses to smart audio eyewear.
Pros
- Bluetooth-compatible supports convenient hands-free use
- Smart interaction adds practical help for travel and daily routines
- Anti-blue light suits the intended wearing scenario
- 8 hours playback supports portable use between charges
Cons
- Fit and lens comfort can vary with face shape and personal preference
- Battery duration varies with camera, calling, audio volume and smart-feature use
- Connected functions may depend on a compatible phone, app, network or regional service availability
KRETA J21 Pro Smart Glasses Bluetooth-compatible Audio Open Ear Headphones Anti-Blue Light Anti-UV Lens – Black
Superior Sound Quality
Featuring patented speaker module technology with Japanese-imported diaphragms, delivering CD-quality audio through a unique six-channel, 3D surround sound
system with spiral directional frequency division.
Open Directional Audio
Protects your ears and privacy while providing an immersive listening experience with three sound outlets on each side
for high, mid, and low frequencies.
Premium Materials
Frame made of durable TR90 material, with ultra-tough, shatterproof lenses that offer color-changing capabilities, blue light filtering
UV protection, and anti-glare properties.
Comfortable Design
Product Details
Adjustable nose pads ensure pressure-free wear, even during extended use, while the patented magnetic charging system provides convenient,
water-resistant, and dust-proof charging.
Long-lasting Battery
Enjoy up to 8 hours of continuous music playback and 180 hours of standby time on a single charge.
AI-Assisted Features
Supports AI wake-up functionality for hands-free operation, enabling safe travel assistance, phone calls, messaging, and voice navigation.
Versatile Compatibility
Compatible with both iOS and Android systems for WeChat messaging, with additional support for WeChat calls and video
calls on Android devices.
Specifications
Product Details
Frame Material: TR90
Lens Material: Shatterproof, color-changing, blue light filtering
UV-protective
Audio: Six-channel, 3D surround sound system
Battery Life: Up to 8 hours playback, 180 hours standby
Charging: Magnetic charging system (water-resistant and dust-proof)
Compatibility: for iOS and Android
Language Support: Chinese and English system languages
Special Features: AI wake-up, remote selfie control (up to 25 meters)
Q & A
Smart Glasses Bluetooth-compatible Audio Open Ear Headphones Anti-Blue Light Anti-UV Lens | J21 Pro-WearableMaster
| Detail Specs | J21 Pro |
|---|---|
| Model | J21 Pro |
| Frame Materia | TR90 |
| Lens Materia | Shatterproof, color-changing, blue light filtering, UV-protective |
| Audi | Six-channel, 3D surround sound system |
| Battery Lif | Up to 8 hours playback, 180 hours standby |
| Chargin | Magnetic charging system (water-resistant and dust-proof) |
| Compatibilit | for iOS and Android |
| Language Suppor | Chinese and English system languages |
| Special Feature | AI wake-up, remote selfie control (up to 25 meters) |
| Color | Black |
| Plug Type (For Supply) | N/A |
Quick Comparison
| Smart Glasses Bluetooth-compatible Audio Open Ear Headphones Anti-Blue Light Anti-UV Lens | J21 Pro-WearableMaster remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | Smart Glasses Bluetooth-compatible Audio Open Ear Headphones Anti-Blue Light Anti-UV Lens | J21 Pro-WearableMaster remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | ||||||||||||||||
| Image |  |  | | | | ||||||||||||||||
| SKU | WMT-J21-PRO | 30899 | 30898 | 30902 | 2144207 | ||||||||||||||||
| Rating | |||||||||||||||||||||
| Price | Price range: $41.22 through $50.16 | $1,640.00 | Original price was: $1,020.00.$918.00Current price is: $918.00. | $1,800.00 | $750.00 | ||||||||||||||||
| Stock | 29 in stock | 29 in stock | 29 in stock | 29 in stock | |||||||||||||||||
| Availability | 29 in stock | 29 in stock | 29 in stock | 29 in stock | |||||||||||||||||
| Add to cart | Select options This product has multiple variants. The options may be chosen on the product page | ||||||||||||||||||||
| Weight | N/A | N/A | N/A | N/A | N/A | ||||||||||||||||
| Dimensions | N/A | N/A | N/A | N/A | N/A | ||||||||||||||||
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FAQs
Q & A
Smart Glasses Bluetooth-compatible Audio Open Ear Headphones Anti-Blue Light Anti-UV Lens | J21 Pro-WearableMaster
