REDMI BUDS 4 SPECS
Product model no.
Earbud input parameters
Charging case input parameters
Wireless connection
Bluetooth protocols
Operating distance
Single earbud net weight
Total weight including charging case
Charging port
Speaker impedance
M2137E1
5V⎓ 100mA
5V⎓ 450mA
Bluetooth® 5.2
HSP、HFP、A2DP、AVRCP
10m (open space free of obstacles)
Approx. 4.5g
Approx. 55g
Type-C
16Ω±15%
