Tecno Buds 4 specifications and in-depth review

Tecno Buds 4

Manufacturer: Tecno

The Tecno Buds 4 are true wireless earbuds designed for everyday use, offering a lightweight in-ear fit at just 7.4 grams per earbud. They carry an IPX4 rating for sweat resistance, making them a practical option for active use, and come with a travel bag included in the box. The earbuds connect via a cable-free design with no neckband or wingtips, keeping the setup simple and minimal.

Powered by Bluetooth 5.4, the Tecno Buds 4 support a maximum wireless range of 10 meters and charge via USB Type-C. Each earbud houses a 10 mm driver unit covering a frequency range of 20 Hz to 20,000 Hz, with passive noise reduction helping to block ambient sound. A 37 mAh battery provides up to 5 hours of playback per charge, while the 500 mAh charging case extends total listening time to around 28 hours combined. The earbuds also support fast charging with a full charge taking approximately 1 hour. On the microphone side, a 4-microphone setup with noise cancellation handles calls and voice input, and additional features include a mute function, voice prompts, and touch controls placed directly on the earbuds.

Pros
  • Bluetooth 5.4 ensures a modern and stable wireless connection
  • The 4-microphone array with noise cancellation supports clearer call quality
  • A 500 mAh charging case extends total listening time to 28 hours combined
  • Fast charging brings the earbuds to a full charge in around 1 hour
  • IPX4 sweat resistance makes them practical for workouts and outdoor use
  • A travel bag is included in the box, adding convenience for on-the-go storage
Cons
  • No active noise cancellation, relying solely on passive noise reduction
  • Earbud battery life is limited to 5 hours per charge
  • No support for advanced audio codecs such as LDAC, AAC, or any aptX variant
  • Wireless charging is not supported, requiring a wired USB Type-C connection
  • No ambient sound mode, which limits situational awareness during use
  • Fast pairing and NFC pairing are absent, making the initial connection process more manual
Who is this for?

The Tecno Buds 4 are well suited to everyday listeners who prioritize convenience and practicality over audiophile-grade performance. The IPX4 sweat resistance and lightweight 7.4-gram design make them a sensible choice for gym sessions, commutes, and other active routines where durability and comfort matter. Users who frequently take calls will also benefit from the 4-microphone noise-canceling setup, and those who travel light will appreciate the included travel bag alongside a charging case that stretches total battery life to 28 hours.

Who is this NOT for?

Users who demand advanced audio fidelity will find the Tecno Buds 4 limiting, as there is no support for high-resolution codecs such as LDAC, AAC, or any aptX variant, which restricts audio quality to standard Bluetooth transmission. Listeners who rely on active noise cancellation for focused listening in loud environments — such as offices, public transport, or busy urban spaces — will also find the passive-only noise reduction insufficient. Additionally, those who prefer hands-free or seamless setup features like fast pairing, NFC pairing, or ambient sound mode will need to look elsewhere, as none of these are available.

Design:

Fit In-ear
Ingress Protection (IP) rating IPX4
water resistance Sweat resistant
weight 7.4 g
has no wires or cables
are neckband earbuds
wingtips included
has RGB lighting
has stereo speakers
has UV light
Has a display

The Tecno Buds 4 follow a true wireless, in-ear design with no cables, neckband, or wingtips, keeping the form factor compact and unobtrusive. Each earbud weighs just 7.4 grams and carries an IPX4 rating, making them sweat resistant and suitable for use during physical activity. They feature stereo speakers but do not include RGB lighting, a UV light, or any display. Wingtips are not bundled in the package.

Sound quality:

has active noise cancellation (ANC)
has passive noise reduction
driver unit size 10 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
supports spatial audio
has Dolby Atmos
has Dirac Virtuo
has a neodymium magnet

The Tecno Buds 4 use a 10 mm driver unit and cover a frequency range of 20 Hz to 20,000 Hz. They rely on passive noise reduction to limit ambient sound rather than active noise cancellation, which is not supported. The earbuds do not include a neodymium magnet, and there is no support for spatial audio, Dolby Atmos, or Dirac Virtuo processing.

Power:

Battery life 5 hours
Battery life of charging case 23 hours
charge time 1 hours
battery power 37 mAh
battery power (charging case) 500mAh
has wireless charging
Has a solar power battery
has a battery level indicator
has a rechargeable battery

The Tecno Buds 4 are equipped with a rechargeable 37 mAh battery per earbud, delivering up to 5 hours of playback on a single charge, while the 500 mAh charging case adds a further 23 hours of total battery life. A full charge takes approximately 1 hour, and neither wireless charging nor solar charging is supported. The earbuds include a battery level indicator so the remaining charge can be monitored at a glance.

Connectivity:

has fast pairing
Has USB Type-C
Bluetooth version 5.4
has LDAC
has LDHC
has Bluetooth LE Audio
has aptX Adaptive
has aptX Low Latency
has aptX HD
has aptX
has aptX Lossless
has aptX Voice
has Auracast
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC
Can be used wirelessly
has AAC

The Tecno Buds 4 connect wirelessly via Bluetooth 5.4 with a maximum range of 10 meters, and the charging case uses USB Type-C for wired charging. Fast pairing, NFC pairing, and Auracast are not supported, and the earbuds do not include AAC, LDAC, LDHC, or any variant of aptX, including aptX HD, aptX Adaptive, aptX Low Latency, aptX Lossless, and aptX Voice. Bluetooth LE Audio is likewise absent, meaning the connection relies on the standard Bluetooth 5.4 protocol without any advanced codec or audio-sharing extensions.

Features:

has ambient sound mode
has in/on-ear detection
has find device feature
Supports fast charging
can read notifications
Has a built-in translator
has a mute function
can be used as a headset
control panel placed on a device
Has voice prompts
travel bag is included
Has an in-line control panel
Has a temperature sensor
Has a built-in camera remote control function

The Tecno Buds 4 support fast charging and can function as a headset for calls, with controls handled through a panel placed directly on the earbuds rather than an in-line remote. A mute function and voice prompts are included, and a travel bag comes in the box. The earbuds do not offer ambient sound mode, in-ear detection for auto-pausing, a find-device feature, notification readout, a built-in translator, a body temperature sensor, or a camera remote shutter function.

Microphone:

number of microphones 4
has a noise-canceling microphone

The Tecno Buds 4 feature a 4-microphone setup with noise-canceling microphone technology, aimed at reducing background noise during calls and voice input.

Final Verdict

The Tecno Buds 4 present a straightforward, no-frills wireless earbud option built around everyday practicality. With IPX4 sweat resistance, a lightweight build, and a 4-microphone noise-canceling setup that supports clearer calls, they cover the essentials competently for casual listeners and active users alike. The 28-hour combined battery life and fast charging add genuine day-to-day convenience, though the absence of advanced audio codecs and active noise cancellation means the experience will feel limited to those with more demanding listening requirements. Overall, the Tecno Buds 4 are a functionally complete option for users who want reliable wireless audio and call performance without complex feature sets.

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