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Wireless Stereo Earphones BT040

★★★★★ ★★★★★
(2 reviews)

BT040 provides clear-cut sound quality with modern Bluetooth 5.4 tech that keeps connections stable and audio sharp. Small and light are two words to describe these devices, which is just what music fans who are always on the move need. Their IPX4 resistance equipment also makes these headphones suitable for your workout and daily commute.

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Order by 6 hours 36 mins

Manufacturer Code N/A
EAN N/A

Bluetooth Version 5.4
Battery Life Up to 6 hours
Resistance IPX4 water resistance
Condition

condition

Free next day delivery for orders over £150
Free 48 hour delivery for orders over £30

The length of warranty depends on the condition of the device.

  • Brand New - manufacturer warranty (min. 12 months)
  • Refurbished (Good or better) - 12 month warranty
  • Refurbished (Poor condition) - 3 month warranty
  • Please note that your warranty will not cover any faults due to impact, pressure, liquid damage, temperature, or any attempt (by you or a third party) to alter or repair the device.

Need to send your phone back to us? No problem! Returning an item is simple and hassle-free at The Big Phone Store. Here’s how it works:

  • You have 15 days from the date of purchase to notify us that you wish to return your order.
  • Once your return is approved, you have an additional 15 days to send the item back to us, totalling up to 30 days to complete your return.

What is the battery life? Up to 6 hours on a single charge.
Do they support voice assistants? Yes, compatible with Siri and Google Assistant.
Are they sweat-resistant? Yes, IPX4-rated for light workouts.

The True Wireless Stereo Earphones Bluetooth 5.4 Earbuds (BT040) truly impress with excellent connectivity and a top-notch audio output, thereby satisfying all the music lovers and active users. The Bluetooth 5.4 paired with these earbuds results in rich stereo sound, which is further enhanced by noise-canceling microphones and a lightweight and comfortable design. In combination with devices such as the Samsung Galaxy XCover 4s, the BT040 earbuds are versatile for gym sessions, traveling, or easy listening, thus allowing a total of 40 hours of playtime if used together with the charging case. Additionally, the IPX7 waterproof certification is also an added value to the solidness of the product and hence, users can rest assured that the earbuds are functional whenever and wherever they want.

Design and Build

BT040 earbuds offer a practical and ergonomic design that is perfectly in tune with the normal ear canal. Furthermore, the soft silicone ear tips make it tightly sealed and comfortable to wear. Each earbud weighs just 4–5g, and it is complemented with a fashionably designed charging case made of tough plastic. The case, being approximately 40g and therefore very pocket-friendly, is equipped with a USB-C hole for charging. The BT040 earbuds in different shades like black or white are at an IPX7 waterproof rating. This is perfect for everyday life, as is the easy-to-use touch control which permits music, call, and voice assistant management at a fingertips pace.

Feature Details
Weight 4–5g (per earbud), 40g (case)
Material Plastic, silicone ear tips
Water Resistance IPX7
Colors Black, White

Audio Performance

BT040 earbuds consist of 10mm dynamic drivers that bring forth crystal-clear stereo sound. The bass will be deep and rich whereas the trebles will be bright and crispy. It is a dream come true for music, podcast, and phone call scenarios. Bluetooth 5.4 allows for a connection without lag and the pairing is kept strong at a distance of up to 10 meters. The earbuds are enabled with AAC and SBC to accommodate streaming through high-quality audio formats. The dual mounting of mics with ENC (Environmental Noise Cancellation) does not merely relieve the caller's voice from the background noise but the overall environment in which the caller is located becomes quieter, thus allowing a more peaceful call. The BT040 is therefore an excellent option for those who have to make calls

Specification Details
Driver Size 10mm
Audio Codecs AAC, SBC
Frequency Response 20Hz–20KHz
Microphone Dual with ENC

Features and Compatibility

The BT040 earbuds have touch controls that allow you to easily manage playback, volume as well as calls. Additionally, they are voice assistant enabled for Bixby or Siri. They are waterproof up to level IPX7 and hence can be used during a workout or in the open. They are compatible with a variety of devices such as Samsung Galaxy XCover 4s. Therefore, they are iOS, Android, and Bluetooth-enabled PC friendly. The small-sized case and get-to-fit ear tips (provided in different sizes) assure a comfortable and convenient travel.

Feature Details
Controls Touch-sensitive
Compatibility Samsung Galaxy XCover 4s, iOS, Android, PC
Water Resistance IPX7
Additional Voice assistant, multiple ear tip sizes
  • Material: Plastic, silicone
  • Audio: Stereo, 10mm drivers
  • Battery: 40 hours total
  • Connectivity: Bluetooth 5.4
  • Protection: IPX7 waterproof
  • Compatibility: Wide range of devices
  • Features: ENC microphones, touch controls
  • Weight: 4–5g (earbuds), 40g (case)

The True Wireless Stereo Earphones Bluetooth 5.4 Earbuds (BT040) offer a blend of high-quality audio, durability, and convenience. With their robust battery life, waterproof design, and seamless connectivity, the BT040 earbuds are an excellent choice for music, calls, and active lifestyles.

Why People Love Us

Trusted for our quality, loved for our service. We deliver excellence every step of the way.

James

Posted on Aug 13, 2025

Great value for money. These earbuds pair instantly and the sound quality is fantastic for the price. Bass is punchy without being overpowering, and they’re super comfortable for long listening sessions.

Sophie

Posted on Aug 13, 2025

Bought these for my commute and they’ve been a game-changer. Noise isolation is surprisingly good, and calls are clear even on busy streets.

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