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Model : M2537E1
Color : Blue, Black, White
Frequency response range : 20Hz-20kHz
Dimensions and weight
Weight of a single earbud : 3.8g (±0.2g)
Dimensions of a single earbud : 32.04mm * 17.87mm * 18.49mm
Weight of charging case : 28g (±2g)
Dimensions of charging case : 50mm * 50mm * 24.2mm
Total weight : 35.6g (±2g)
Charging
Battery capacity
Earbuds : 37mAh
Charging case : 475mAh
Charging port : Type-C
Earbud input parameters : 5V ⎓ 70mA
Charging case input parameters : 5V ⎓ 500mA
Charging case output parameters : 5V ⎓ 150mA
Battery life
Battery life on a single charge : 7 hours
Battery life with charging case : 37 hours
*Battery life refers to music playback time. Test conditions: Bluetooth AAC connection with volume at 50% and all other functions set to default.
Connection
Wireless connection : Bluetooth® 5.4
Bluetooth protocols : Bluetooth® Low Energy / HFP / A2DP / AVRCP
Communication range : 10m (open space free of obstacles)
Speaker impedance : 32Ω
REDMI Buds 8 Active x 1
Charging case x 1
User manual x 1
