HKM-528403 Compact Bluetooth Mini Robot Speaker with 15-Hour Playback, USB Charging, and TF Card Support
SKU: 36546708607

HKM-528403 Compact Bluetooth Mini Robot Speaker with 15-Hour Playback, USB Charging, and TF Card Support

$80.99 $89.99
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Description

HKM-528403 Compact Bluetooth Mini Robot Speaker with 15-Hour Playback, USB Charging, and TF Card SupportIntroducing the HKM 528403 Compact Bluetooth Mini Robot Speaker, your ultimate audio companion designed for music lovers on the go. This compact speaker combines portability with impressive functionality, making it an ideal choice for any occasionbe it a picnic in the park, a cozy gathering with friends, or simply enjoying your favorite tunes at home. The HKM 528403 offers a seamless Bluetooth connection, equipped with Bluetooth 3. 0 technology that

Introducing the HKM-528403 Compact Bluetooth Mini Robot Speaker, your ultimate audio companion designed for music lovers on the go. This compact speaker combines portability with impressive functionality, making it an ideal choice for any occasion—be it a picnic in the park, a cozy gathering with friends, or simply enjoying your favorite tunes at home.

The HKM-528403 offers a seamless Bluetooth connection, equipped with Bluetooth 3.0 technology that ensures a reliable audio experience. With a robust battery capacity of 2200mAh, enjoy up to 15 hours of uninterrupted playback, allowing you to keep the music going without frequent recharges. The USB charging feature adds to its convenience, making power-ups easy and efficient.

With a single full-frequency speaker output of 5W, this mini speaker produces clear and powerful sound, with a frequency response range of 100Hz to 20kHz, delivering your music as it was meant to be heard. The speaker is also designed to support music files in WAV, MP3, and WMA formats, ensuring compatibility with a variety of audio sources.

The HKM-528403 isn't just about sound quality—it's also about usability. It features handy buttons for speaker adjustments and has a built-in voice prompt function for easy navigation. For those who prefer using a TF card for music playback, this device supports storage of up to 16GB.

Designed to withstand the elements, this mini speaker is dustproof, adding an extra layer of durability to its build. The sleek metal shell combined with a plastic cabinet makes it both stylish and sturdy, ensuring it can handle a bit of life on the road.

Lightweight and incredibly portable, measuring 160mm x 118mm x 96mm and weighing just 350g, the HKM-528403 can easily fit in your bag or backpack, ready to inspire your next adventure. Enjoy great sound quality paired with modern convenience with the HKM-528403 Compact Bluetooth Mini Robot Speaker.

Connection method: Bluetooth connection Type: Bluetooth Speaker
Interface type: USB Battery capacity: 2200MA
Frequency response range: 100HZ-20KHZ Output power: 5W
Signal to noise ratio: ≥75dB Power supply mode: built-in lithium battery
Channel : 2 Play time: 15 hours
Extended storage: 16GB Bluetooth protocol: 3.0
Number of speakers: single full frequency Effective distance: 15-30M
Function: dustproof, call function, voice prompt, card, mobile power Mode of operation: button
Play format: WAV, MP3, WMA Shell material: metal
Whether to support APP: No Supported format: TF card
Speaker adjustment method: button Is there a radio function: none
Cabinet material: plastic Size: 160*118*96MM
Product weight: 350 (KG) 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: 36546708607

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4.2 ★★★★★
Based on 1164 reviews
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Verified Purchase
Layton Phillips
Alexandria, US
★★★★★ 5
Great pillow, but the cooling effect depends on the cover
Color: Blue-ice Plus, Size: King(Pack of 2)
I really like this pillow overall. It’s comfortable, supportive, and feels well made. When you use it without a pillowcase, it definitely feels cool to the touch and does what it claims in terms of that initial cooling sensation. However, once you put a pillowcase on it, you can’t really feel the cooling effect anymore. I’ve tried multiple different pillowcases made from different materials, and none of them really let that cool feeling come through. That said, I still love the pillow itself. It’s comfortable and supportive enough that I’m keeping it. Just keep in mind that the cooling feature works best without a cover, which isn’t ideal for everyone. Overall, a good pillow — just manage expectations about the cooling effect once it’s covered.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026
H
Verified Purchase
Hannah N. Ford
Houston, US
★★★★★ 5
Cooling and holds shape.
Color: Blue-ice Plus, Size: Queen(Pack of 2), Color: Blue-ice Plus, Size: Queen(Pack of 2)
Very nice pillow for the price is also holding up well and holding shape very cool and comfortable to the touch. Best pillow I found in a long time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
S
Verified Purchase
smmt
Bozeman, US
★★★★★ 5
Best Pillow Ever
Color: Blue-ice Plus, Size: Queen(Pack of 2)
Best pillow ever. Although it still gets "hot", it does take longer to get "hot". I love this pillow. I was buying a new pillow almost every 3 months. Other pillows would either remain rock hard or go flat. I was concerned at first when reading the description as I though the memory foam would be big pieces. They are soft fluffy pieces. I had to remove almost half of the foam to get the pillow to what works for me. I have not had to put any filler back in. Maybe in a couple of more months I may have to put a bit more in, but it is holding it's shape and not going flat. I do fluff it every night. This helps. I am a stomach sleeper. I have bought the expensive purple pillow and hated it so much I gave it to my daughter. This QUTOOL Pillow is the best! I bought a 2 pack. Have not used the other pillow yet, but I feel I may actually go years for once without having to buy a pillow as I have the 2nd one set aside if the first one gets to a point in need replacement. I have bought Dollar Store pillows. I have bought $300 pillows. None of them even come close to this pillow and the way you can adjust this pillow for you. The pillows came in a white mesh like bag. I keep all the unused "stuffing" in this bag. I have it hanging in my closet and I just fluff the bag once a month to keep the filling fresh so it is ready if and when I need it. Coming from someone who has trouble staying asleep, neck issues, a stomach sleeper who hate those flat pillows manufacturers think stomach sleepers like but actually hate, buy this pillow. Just buy it. Best Pillow for a picky person like me. Buy 2 or more so if you have to stay at a hotel, you can take your own pillow.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 15, 2025
J
Verified Purchase
Jedata
Battle Creek, US
★★★★★ 4
Slippery Pillow
Color: Blue-ice Plus, Size: Queen(Pack of 2)
Nice and cooling but it’s so slick my pillow sheet doesn’t want to stay on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
J
Verified Purchase
Jute
Lake Worth, US
★★★★★ 5
Foam Mattress NEEDs Foam Pillows
Color: Blue-ice Plus, Size: King(Pack of 2), Color: Blue-ice Plus, Size: King(Pack of 2)
10 stars!! Quality foam, structure & price. Best bang for my buck.    HRV, readiness & total sleep score metrics increased drastically this week.  See screenshot :) Support: Molds and cushions every crevice under my neck and above shoulders. So comfy  Size: Adjustable loft but king length is perfect to hug and rest your head.  Love love love. The 1st 2 nights were uncomfortable with pillow as is, first night I was up at 3am half asleep pulling foam out but wasn't enough. The second night at 2am I pulled out more stuffing. I was getting frustrated..  my Oura ring showed both nights I was awake every hour.  Not good.  Before the 3rd night I pulled enough to fill the bag the 2 pillows arrived in. Boom -8hrs sleep and for the first time ii years I achieved 17% Deep sleep.  Huge. Weight: Perfect weight with adjustment. Squishy and molds to b the contour of my neck and shoulders Softness: Like the baby bear.. just right.   Comfort: Very comfortable after removing 30% foam in both pillows. I actually now have enough to make a 3rd pillow, replace old foam, or adjust OGs, Still to early to measure.  If you have a foam mattress that contours your body but not your head you'll end up with neck and/or back pain from head being elevated- not sinking/molding the body into a foam mattress. 
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 1, 2025

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