redmi-buds-4-pro

Product model no.M2132E1
Earbud input parameters5.25V ⎓ 160mA MAX(single earbud)
Charging case input parameters5V ⎓ 0.5A MAX
Charging portType-C
Wireless connectionBluetooth® 5.3
Bluetooth protocolsBluetooth®Low Energy / HFP / A2DP / AVRCP
Operating distance10m (open space free of obstacles)
Speaker impedance24Ω