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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
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Description
Acefast K4 Go Wireless Portable SpeakerAcefast K4 Go Wireless Portable Speaker (model K4GO LS) is designed for portable wireless music in multiple settings, including home, hiking, camping, and office. With Bluetooth version v5. 4, it supports wireless connectivity and is built for outdoor use with an IPX7 waterproof rating. It also features a built in hanging strap to support convenient carrying during travel. For audio performance, the speaker includes a 1 full range speaker unit and 1
Acefast K4 Go Wireless Portable Speaker (model K4GO-LS) is designed for portable wireless music in multiple settings, including home, hiking, camping, and office. With Bluetooth version v5.4, it supports wireless connectivity and is built for outdoor use with an IPX7 waterproof rating. It also features a built-in hanging strap to support convenient carrying during travel. For audio performance, the speaker includes a 1 full-range speaker unit and 1 passive diaphragm, with a stated frequency response range of 60Hz-20000Hz. The unit supports TWS interconnection, enabling TWS pairing for immersive stereo sound. Battery specifications are listed as 900mAh / 3.7V, with a charging time of 1.5 hours and a working time of 8 hours in music mode.Key Features
• Supports TWS interconnection
• Built-in hanging strap for convenient outdoor travel
• IPX7 waterproof
• Home, hiking, camping, office use scenarios
• Supports TWS pairing for immersive stereo sound
• Portable strap
Specifications
• Product name: ACEFAST K4 Go portable wireless speaker
• BT version: v5.4
• Transmission distance: ≥10m
• Frequency response: 60Hz-20000Hz
• Charging time: 1.5 hours
• Working time: 8 hours (music mode)
• Note: All measures are made under 50% volume level
• Speaker unit: 1 speaker unit + 1 diaphragm
• Speaker unit details: 1 full-range speaker unit [45×45mm]
• Passive diaphragm: 1 passive diaphragm [35×60mm]
• Waterproof rating: IPX7
• Power: 5W power
• Speaker power: Rated power 1×4W
• Speaker power: Peak power 1×5W
• Battery capacity: 900mAh / 3.7V
• Input: DC 5V⎓0.86A (USB-C)
• Size: 100*40*78mm
• Weight: 200g
• Lightweight and portable; mini size weighing 200 grams
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.2 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
MAELREG Clothing Looks Great!
Love this quarter zip. MAELREG makes some comfortable, sharp looking clothing. Their golf apparel is fantastic. The value is worth it. Their shirts are true to size. I am 6', 215lbs and wear an XL, which fits nicely.
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Great for Tall Guys
I got this for my husband, he has a pullover that he has worn for years and it needed replacing. Finding one like this that was lightweight and loose fit was a big challenge. He loves the quality and fabric and its not hot but still helps when their is a breeze or chill. I liked that the color and pattern are versatile for all seasons. He is 6'5 and it actually fits his torso! Just get it!
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Reviewed in the United States on February 9, 2026
★★★★★ 5
It’s a hit!
Color: Brown Grey Camo, Size: Large
I picked on of these up after seeing it online. I have multiple Maelreg items and all are great quality. They are my go to golf and casual clothing brand. Super comfortable, soft, light weight, and perfect fit. Olive on the east coast and this color is all the rage in the area. These are some of the best value 1/4 zips out there.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
great look
Color: Pink Small Fish, Size: Large
I am a many time customer of this provider. Excellent always - never an issue on look or fit.
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Reviewed in the United States on April 14, 2026
★★★★★ 4
Had to return due to wrong size sent
Color: Pink Artichoke, Size: Small
Really wanted to keep this - but I ordered a S and rcvd an XL. This was heavier than I was expecting. Pink was really cute too.
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Reviewed in the United States on May 14, 2026
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