SereniBrain TH21A Meditation Headband with Real-Time Feedback: Real-time brainwave analysis
Meet the SereniBrain Meditation Headband—your new meditation sidekick. This isn't just any gadget; it's like having a zen master strapped to your forehead, thanks to its advanced EEG sensors that read your brainwaves. It gives you the lowdown on how deep you're actually going in your meditation, complete with scores and tips tailored just for you. (Spoiler: You might be surprised by what it tells you.)
Here's why you'll love it: First off, it talks back—well, not literally, but it gives real-time feedback through sounds and visuals to keep you on track. The fit? Adjustable and comfy, with hydrogel electrodes that stick like they mean it (no more fiddling mid-session). And yes, it plays nice with your favorite meditation apps, no sneaky subscriptions required. Plus, it's tough enough to toss in your bag and battery life that lasts through even the most marathon meditation sessions—up to 8 hours, to be exact.
Whether you're just dipping your toes into meditation or you're a seasoned pro, this headband is your ticket to next-level mindfulness. And let's be honest, who couldn't use a little more of that?
Features
- Visual and auditory feedback
- Seamless meditation experience
- No extra subscription fees
- Comfortable and portable design
- Real-time brainwave analysis
General specs
- Brand: SereniBrain
- Model: TH21A
- Seller: Amazon
- ID: B0D3PY2W7N
- Material: Plastic
- Compatible Devices: Smartphones, Tablets, iOS 14 or higher, Android 10 or higher
- Product Dimensions: 7.08"L x 5.9"W x 1.02"H
- Item Weight: 50 Grams
- Battery Life: 8 Hours
- Sensor Type: EEG
- Battery Description: Lithium-Ion
- Language: English
- Warranty Description: 1 Year Warranty
- First listed by seller: 7/16/25
If you are interested in more details, you can find full information on the seller's page.
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| Brand | SereniBrain | Entertech | NeuroSky | UPDEI | Twievo | NUDZENI |
| Model | TH21A | ET-BIO-001 | MindWave Mobile | R5 | Uni-Green | |
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| Price | $199.99 | $189.00 | $129.99 | $22.17 | $69.99 | $28.47 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Dec 6, 2025 | Mar 11, 2026 | Mar 11, 2026 |
| Compatible Devices | Smartphones, Tablets, iOS 14 or higher, Android 10 or higher | Smartphones | iOS, Android, PC, Mac | |||
| Product Dimensions | 7.08"L x 5.9"W x 1.02"H | 12.2 x 3.94 x 0.59 inches | 10.24 x 3.15 x 0.67 inches | |||
| Item Weight | 50 Grams | 1.06 ounces | 76 Grams | 1 Milligrams | 2.39 ounces | |
| Battery Life | 8 Hours | 8 Hours | 8 hours | |||
| batteries | 1 Lithium Ion batteries required. (included) | 1 AAA batteries required. (included) | 1 Lithium Metal batteries required. (included) | 1 Nonstandard Battery batteries required. | ||
| Country of Origin | China | China | China | |||
| Memory Storage Capacity | 64 MB | 49.99 MB | 0.07 MB | |||
