Technical Specifications (REDMI Buds 8 Active TWS)

Model: M2537E1
Color Options: Blue, Black, White
Frequency Response Range: 20Hz - 20kHz

Earbud Dimensions (Single): 32.04mm × 17.87mm × 18.49mm
Earbud Weight (Single): 3.8g (±0.2g)

Charging Case Dimensions: 50mm × 50mm × 24.2mm
Charging Case Weight: 28g (±2g)
Total Weight (with case): 35.6g (±2g)

Battery Capacity: Earbuds 37mAh each | Charging case 475mAh
Charging Port: Type-C
Earbud Input: 5V ⎓ 70mA
Case Input: 5V ⎓ 500mA
Case Output: 5V ⎓ 150mA

Battery Life (Single charge): 7 hours
Battery Life (with charging case): 37 hours
(Tested at 50% volume, AAC connection)

Wireless Connection: Bluetooth 5.4
Bluetooth Protocols: Bluetooth Low Energy / HFP / A2DP / AVRCP
Communication Range: 10m (open space)
Speaker Impedance: 32Ω

Driver Size: 14.2mm titanium-diaphragm driver
Audio Codecs: AAC, SBC
Noise Reduction: Dual-mic AI call noise reduction (supports 6m/s wind-noise reduction)
Water Resistance: IP54 (earbuds only)

Smart Features: Dual-device connectivity, Google Fast Pair, Xiaomi Earbuds app support, Customizable EQ (5 presets + custom curve)

Package Contents: REDMI Buds 8 Active earbuds, Charging case, User manual