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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22
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Description
ONIKUMA B90 RGB Lighting Wireless Bluetooth Headphone, B901. Fashionable and cute cat ear design, fashionable and beautiful 2. The RGB colorful mixed light is surrounded by a circle of mixed light, which is more cool 3. The sound range is wide, the output is stable, the sound quality is clear and thorough, and the sound is surging and shocking 4. Skin friendly all inclusive large earmuffs, soft and comfortable with anti protein leather 5. Ergonomic design, telescopic head beam adjustment, suitable for
1. Fashionable and cute cat ear design, fashionable and beautiful2. The RGB colorful mixed light is surrounded by a circle of mixed light, which is more cool
3. The sound range is wide, the output is stable, the sound quality is clear and thorough, and the sound is surging and shocking
4. Skin-friendly all-inclusive large earmuffs, soft and comfortable with anti-protein leather
5. Ergonomic design, telescopic head beam adjustment, suitable for various head shapes
6. Drive diameter: 40mm
7. Chipset: ATS3015 BT5.0 version
8. Supported protocols: AVRCP1.4, A2DP1.2, HFP1.6, HSP1.2
9. Audio decoding: WMA, APE, FLAC, AAC, M4A, WAV, AIF, AIFC
10. Bluetooth distance: 10m
11. Frequency: 2.402GHz-2.480GHz
12. Microphone Sensitivity::-42+/-3DB
13. Sensitivity: 9+/-3DB
14. Impedance: 32 ohms
16. Battery capacity: 800mA
17. Playing time: 15-22 hours
18. Audio delay: 40-60mS
19. Charging time: about 3 hours
20. Charging interface: Micro USB
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
The best Magtein I have tried thus far
I take double the dose because when I double the dose it improves my ability to pay attention and I am less distracted. Yes I have ADD but no longer take Adderall for it. Being 56 years old Magtein really improves my memory and restored it to like new by ten days of use. Shockingly It woke me up from a light sleep late evening as memories rushed in and I have been taking it ever since. I have been taking it 7 months now and over time it has slowly but surely improved my short term memory so that it also is nearly the same as before. I have seen slight improvements in working memory enough to be encouraged It may become an advancement from a historical standpoint. This is my second bottle by Teraputics. I was taking 2 bottles of NOW brand per month for my memory and concentration because it is the cheapest but when Amazon ran out Teraputics is the product I decided to try next. But I like this brand better as it seems more concentrated or I should probably say more bio-available so I decided to by it and pay the extra money over NOW brand. I just wish it were cheaper. I am hoping to ask them for a deal if I buy 20 bottles in advanced as it is a must have for me. With this second purchase they included a free bottle coupon and not a buy one get one free. Right now I am very happy to get the free bottle.
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Reviewed in the United States on March 23, 2019
★★★★★ 3
Daily Intake on Label Confusing
Label was not clear regarding milligrams per pill. Title label stated 2000mgs per serving (of 4 pills), but “supplement label” states 4 pills is 144 mgs per serving as a 34% of daily value.
Very confusing. Not sure which metric to go by for daily intake.
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Reviewed in the United States on December 22, 2025
★★★★★ 5
Great supplement
I like the way it helps me relax to sleep and helps to keep me more focused
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Reviewed in the United States on June 3, 2026
★★★★★ 5
No diarrhea
My wife had severe diarrhea using a common type of magnesium, taken at doctor's recommendation. Doctor recommended this type, L-Threonate. Totally eliminated diarrhea problem.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 5
Magnesium
Helps with sleep, relaxation, and muscle cramps
* Can support mood and reduce stress
* Good for overall body function (nerves, muscles, heart)
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Reviewed in the United States on April 23, 2026