SKU: 10297404465

HKM-866643 Long 3.5MM Audio Connection Speaker with USB Power and Built-in Lithium Battery

Sale price$69.29 Regular price$76.99
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 17 - Aug 22

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Description

HKM-866643 Long 3.5MM Audio Connection Speaker with USB Power and Built-in Lithium BatteryIntroducing the HKM 866643 Long 3. 5MM Audio Connection Speaker, your new go to audio solution for those who value quality sound and convenience. This compact speaker features a 3. 5MM audio jack connection method, making it compatible with a wide range of devices. Enjoy an impressive frequency response range from 30Hz to 15KHz, delivering clear and rich audio for all your favorite tunes. The HKM 866643 is designed with portability in mind. It comes

Introducing the HKM-866643 Long 3.5MM Audio Connection Speaker, your new go-to audio solution for those who value quality sound and convenience. This compact speaker features a 3.5MM audio jack connection method, making it compatible with a wide range of devices. Enjoy an impressive frequency response range from 30Hz to 15KHz, delivering clear and rich audio for all your favorite tunes.

The HKM-866643 is designed with portability in mind. It comes with a built-in lithium battery that ensures you can take your music anywhere without the hassle of extra cords. When you need to recharge, simply connect it via the USB power supply method, making it easy to keep your speaker ready for action.

With an output power of 3W and a signal-to-noise ratio of ≥65dB, this speaker provides a balanced sound experience that enhances conversations and music alike. Whether you're hosting a gathering or enjoying a quiet evening at home, the HKM-866643 Long 3.5MM Audio Connection Speaker will meet your audio needs with efficiency and style. Upgrade your listening experience today with this reliable and versatile speaker.

Connection method: 3.5MM audio jack
Interface type: USB
Frequency response range: 30Hz-15KHz
Output power: 3w
Signal to noise ratio: ≥65dB
Power supply mode: built-in lithium battery
Power mode: USB

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 10297404465

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4.2 ★★★★★
Based on 8 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Massapequa, US
★★★★★ 4
Very good for breath but caused some sour mouth
I have dry mouth which makes me prone to bad breath. I’ve experimented with chewing these before bed (after brushing) or in the morning (also after brushing). I tested my breath using a cloth mask and also did “blank” tests on days when I did not use the product. Chewing before bed greatly reduced morning breath but left me with some sour mouth, which makes me worry a bit about tooth decay. I’ve switched to taking in the morning and have been happy with the results.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 6, 2024
G
Verified Purchase
Graciela Saltos
Pawtucket, US
★★★★★ 5
My experience
Loved this product. It worked from day 1. Tastes good. Highly recommended
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
S
Verified Purchase
Sarah R.
Fort Morgan, US
★★★★★ 3
Lips & mouth sore?
Mouth and lips became sensitive and sore after using this product 2x per day for 3 days. Maybe I’m allergic to one of the ingredients? Don’t know. It’s day 3 of soreness and waiting for it to subside.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2025
M
Verified Purchase
MoK
Grantham, US
★★★★★ 1
Doesn’t work
I’ve tried to for three weeks and I’ve tested and it does t work. I can taste this mint in my mouth and it still smells funky. I’ve had customers and employees tell me my breath smells. I don’t drink coffeee and I brush my teeth for 10mins straight every morning and night and I also use mouth wash and I use three tabs throughout the day and it does nothing for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 31, 2023
D
Verified Purchase
Diana
Massapequa, US
★★★★★ 5
Recommended by my dental hygienist
These probiotics help maintain a healthy balance of bacteria in your mouth, which already improved my gum health and reduced bad breath. This product was recommended by my dental hygienist.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 19, 2025

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