ACEFAST W4 True Wireless Earbuds
Original price was: 1,690৳.1,250৳Current price is: 1,250৳.
Spend ৳5,000 or more to save ৳150
- Fast Delivery Dhaka in 24–48h
- Secure Payment COD / MFS / Cards
- 100% Authentic Genuine Warranty
- 24/7 Support Expert Assistance
ACEFAST W4 True Wireless Earbuds
Key Features
- Integrated Smart Phone Stand Case: Patented charging case features a one-click locking mechanism with 3 adjustable angles supporting portrait and landscape orientations
- Professional 10mm Audio Transducer: Ultra-thin composite diaphragm drivers produce a balanced soundstage with punchy, detailed bass output
- AI Call Noise Reduction: Smart algorithms actively filter ambient environmental noise during phone and video calls for crystal-clear voice transmission
- Rapid USB-C Flash Charging: Provides up to 2 hours of playback from a quick 10-minute charge
- Next-Gen Bluetooth 5.4 Connectivity: Powered by the AB5656C3 chip for reduced power consumption, lower wireless latency, and interference-free pairing
- 28 Hours Total Playtime Reserve: Delivers 7 hours of continuous music on a single earbud charge at 50% volume and up to 28 hours total via the 350mAh case
- Ultra-Thin Portable Build: Ultra-lightweight 37.6g profile designed to slip easily into any pocket or bag
- IPX4 Splash Protection Rating: Certified water resistance shields internal components from sweat drops and rain splashes
Product Gallery
Built-in Phone Stand Case, 10mm Composite Drivers & 28-Hour Battery Reserve
The ACEFAST W4 is an innovative true wireless earbud system designed for modern multi-taskers. Available in the personal audio collection at Umrelo, its standout feature is a patented charging case with an integrated phone stand, offering one-click locking and three adjustable viewing angles for hands-free convenience in both portrait and landscape modes.
Driven by 10mm dynamic drivers with ultra-thin composite diaphragms, the ACEFAST W4 delivers rich, balanced audio. Powered by an AB5656C3 Bluetooth 5.4 chipset, it features AI Call Noise Reduction, rapid flash charging that gives 2 hours of playback in 10 minutes, IPX4 splash resistance, and up to 28 hours of total battery life from its ultra-compact 37.6g charging case.
Pair your true wireless earbuds with high-capacity power banks, durable USB-C charging cables, and fast wall chargers directly at Umrelo Bangladesh.
Technical Specifications
| Brand & Manufacturer | ACEFAST |
| Product Model Name | W4 |
| Device Category | True Wireless Stereo (TWS) Earbuds |
| Bluetooth Version | Bluetooth v5.4 (AB5656C3 Chipset) |
| Speaker Unit | 10mm Dynamic Driver with Composite Diaphragm |
| Audio Codec Support | SBC, AAC |
| Call Noise Reduction | AI Call Noise Reduction Algorithm |
| Earbud Battery Capacity | 40 mAh per Earbud (Up to 7 Hours at 50% Volume) |
| Charging Case Battery | 350 mAh Capacity (Up to 28 Hours Total) |
| Flash Charge Feature | 10 Minutes Charge = 2 Hours Playback |
| Recharge Duration | Earbuds (~80 Mins) | Charging Case (~2 Hours) |
| Charging Input & Port | DC 5V / 0.35A via USB Type-C |
| Water Resistance Rating | IPX4 Certified (Splash Resistant) |
| Case Dimensions | 57 × 57 × 24 mm |
| Total Net Weight | Approx. 37.6 g |
| Category | TWS Earbuds & Personal Audio Equipment |
Note: Total playback duration and flash charging metrics vary depending on volume level, audio codec selection, and environmental factors.
What's in the Box
• ACEFAST W4 Earbuds (Left & Right) × 1
• Smart Phone Stand Charging Case × 1
• Silicone Ear Tips (S / M / L) × 3 Pairs
• USB Type-C Charging Cable × 1
• User Manual & Safety Information × 1
Frequently Asked Questions
How does the integrated phone stand case work on the ACEFAST W4?
The charging case features a built-in one-click locking mechanism that extends to support your smartphone at three adjustable viewing angles in both vertical (portrait) and horizontal (landscape) modes.
How fast is the quick charging on the ACEFAST W4?
The earbuds feature flash charge capability—a quick 10-minute charge inside the case provides up to 2 hours of music playback.
Are the ACEFAST W4 earbuds safe to use during workouts?
Yes. The earbuds carry an IPX4 waterproof rating, protecting them against sweat drops and light rain splashes during sports or outdoor activity.
Where can I buy original ACEFAST products in Bangladesh?
You can purchase 100% genuine ACEFAST products at Umrelo with fast delivery across Bangladesh, or visit our physical Experience Center in Dhaka at Shop 461, Level 03, Motalib Plaza, Hatirpool. WhatsApp: 01940166001.
Acefast Products in Bangladesh
Acefast is a consumer electronics brand known for stylish, well-built charging and audio accessories. Its range includes GaN and multi-port chargers, power banks (including magnetic wireless models), cables, wireless chargers, earbuds, neckbands, headphones, speakers and car accessories.
In Bangladesh, Acefast is a popular pick for everyday charging and audio. Umrelo stocks Acefast wall chargers, power banks, USB hubs, headphones and table and portable fans. Availability changes, so check the brand page for the current range. Prices change with stock and offers, so check the current price on each product page.
Where to buy authentic Acefast in Bangladesh: Umrelo sells original Acefast products at the best price, online with delivery across Bangladesh and at our showroom in Dhaka. Shop all Acefast products →
Why Buy Original Acefast Products from Umrelo
- Authentic Acefast products in Bangladesh, at the best price. We source from trusted distributors and keep our prices competitive.
- Visit our showroom and ask before you buy. Come to our Motalib Plaza store in Hatirpool, Dhaka, and talk to our team about which charger, power bank or headphone suits you. We're open 11 AM to 9 PM every day except Tuesday.
- Home delivery, so you don't need to leave home. Order online and we deliver across Bangladesh: Dhaka in 1 to 2 days, other districts in 2 to 3 days.
- Easy support. Our team is on WhatsApp for any question before or after you buy, and our return policy is stated clearly.
Acefast FAQs
Where can I buy authentic Acefast products in Bangladesh?
Umrelo sells authentic Acefast products in Bangladesh at the best price. Order online at umrelo.com.bd with delivery across Bangladesh, or visit our showroom at Shop 461, Level 03, Motalib Plaza, Hatirpool, Dhaka. See all Acefast products.
What does Acefast make?
Acefast makes chargers, power banks, cables, wireless chargers, audio products and car accessories. See what is in stock in our wall chargers, power banks and audio categories.
Does Acefast make magnetic power banks?
Yes. Acefast makes magnetic wireless power banks, such as the M31 10000mAh model. Check the product page for compatibility and output, or browse our power banks.
How fast is Acefast delivery in Bangladesh, and how can I pay?
Delivery inside Dhaka city costs ৳60 and takes 1 to 2 days. Gazipur, Savar and Narayanganj cost ৳100 (1 to 2 days). Other districts cost ৳120 and take 2 to 3 days, with the delivery charge paid in advance. You can pay by cash on delivery (inside Dhaka), mobile banking or card.
Can I buy Acefast products from your showroom at Motalib Plaza?
Yes, you can buy Acefast products at our showroom at Shop 461, Level 03, Motalib Plaza, Hatirpool, Dhaka. However, not every product listed on our website is always available at the showroom, so please contact us on WhatsApp at +880 1940-166001 before you visit. We are open every day from 11 AM to 9 PM, except Tuesday.
Delivery Information | ডেলিভারি তথ্য
Fast & Reliable Nationwide Shipping from Umrelo.com.bd
Inside Dhaka Metro
ঢাকা সিটির ভেতরেGazipur, Savar, Narayanganj
গাজীপুর, সাভার, নারায়ণগঞ্জOutside Dhaka Metro
ঢাকার বাইরে জেলা শহরLarge Items / Weight Notice
Delivery charges may vary for large items or products with significant weight. We will notify the customer during order confirmation.
অতিরিক্ত ওজনের বা বড় সাইজের প্রোডাক্টের ক্ষেত্রে ডেলিভারি চার্জ পরিবর্তন হতে পারে। অর্ডার কনফার্ম করার সময় গ্রাহককে তা জানিয়ে দেওয়া হবে।Order Cut-off Time: 04:00 PM
Orders placed after 4:00 PM will be processed on the next business day.
বিকাল ৪টার পরের অর্ডারগুলো পরবর্তী কার্যদিবসে প্রসেস করা হবে।Advance Payment Notice
For deliveries outside Dhaka Metro city areas, the delivery charge must be paid in advance to confirm the order.
ঢাকার বাইরের ডেলিভারির ক্ষেত্রে অর্ডার কনফার্ম করতে ডেলিভারি চার্জ অগ্রিম প্রদান করতে হবে।
ACEFAST W4 True Wireless Earbuds
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What is the price of the ACEFAST W4 True Wireless Earbuds in Bangladesh?
The latest price of ACEFAST W4 True Wireless Earbuds is 1,250৳. Shop genuine ACEFAST W4 True Wireless Earbuds online at Umrelo.com.bd or visit our Motalib Plaza Experience Center in Dhaka today.
- Fast Delivery Dhaka in 24–48h
- Secure Payment COD / MFS / Cards
- 100% Authentic Genuine Warranty
- 24/7 Support Expert Assistance
