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Blue wireless earbuds in matching charging case

Redmi

Redmi Buds 8 Lite M2539E1 Wireless Earbuds Blue

SKU CH-6Z9P-2B9EP

True wireless earbuds with 42dB hybrid ANC, 12.4mm drivers and up to 36 hours total battery life

  • Wearing styleIn the Ear
  • Battery packBuds: 45 mAh / case: 475 mAh
  • Product typeWireless Earbuds
  • Compatible withFor Bluetooth-capable devices
  • Key featuresANC, Dual-mic Noise Reduction, 12.4 mm driver, Up to 36Hrs B
  • 42dB hybrid ANC cuts background noise for immersive listening
  • 4mm dynamic drivers deliver rich bass, clear mids and detailed highs
  • AI dual-mic noise reduction filters ambient sound for clear calls
  • Up to 36 hours total battery life with 8 hours per charge
  • Bluetooth 5.4 gives fast, stable connectivity for music and calls

What these earbuds are and who they suit

Redmi Buds 8 Lite are true wireless in-ear headphones with 12.4 mm dynamic drivers and hybrid active noise cancellation rated at 42 dB. They target listeners who want balanced sound, effective noise reduction and long battery life in a compact, water-resistant design rated IP54. The buds weigh very little and fit securely for extended daily use. A companion app enables customizable EQ settings and Google Fast Pair setup.

Practical limits of Bluetooth 5.4 connectivity

The earbuds use Bluetooth 5.4 for stable pairing with any Bluetooth-capable phone, tablet or computer. Range and throughput depend on the source device's antenna and local radio congestion, so walls or heavy interference can reduce reliable distance. Audio latency is sufficient for music and video but not guaranteed for competitive gaming. Multipoint connection is not supported, so only one host device can be active at a time.

The specification that decides fit

Total battery life reaches 36 hours when the 475 mAh charging case recharges the 45 mAh buds, which alone provide up to 8 hours per charge with ANC active. Fast charging restores useful listening time in minutes. If your routine regularly exceeds 8 hours between case top-ups, or if you require wireless charging which this model lacks, these earbuds will not cover the full day without a cable.

How it compares

Measured against everything we stock in Bluetooth Earbuds & Headsets, at today’s prices. Recalculated every night.

Price $19.99
Cheaper than about 64% of the 870 comparable items (median $30.99).

Specifications

Product
Product lineRedmi Buds 8
Model nameM2539E1
Product typeWireless Earbuds
Audio & video
Wearing styleIn the Ear
Power
Battery packBuds: 45 mAh / case: 475 mAh
Compatibility
Compatible withFor Bluetooth-capable devices
Software
App supportYes

Questions about this item

How long does a single charge of the earbuds last compared to the total 36 hours with the case?

Each bud holds a 45mAh cell good for 8 hours of playback; the 475mAh case adds the remaining time to reach the 36-hour total.

What does the 42dB hybrid active noise cancellation actually block in daily use?

The 42dB hybrid ANC reduces low-frequency drone such as engine hum and air-conditioner noise, while the dual-mic AI filter suppresses higher-frequency chatter during calls.

What does Bluetooth 5.4 limit in practice for these earbuds?

Bluetooth 5.4 caps the wireless link to its 2.4GHz bandwidth and range, so audio quality and connection stability depend on that standard rather than a proprietary codec.

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