Redmi Buds 4 Pro (Midnight Black)

Earbud input parameters: 5.25V ⎓ 160mA MAX（single earbud）

Charging case input parameters: 5V ⎓ 0.5A MAX

Charging port:  Type-C

Wireless connection: Bluetooth® 5.3

Bluetooth protocols: Bluetooth®Low Energy / HFP / A2DP / AVRCP

Operating distance: 10m (open space free of obstacles)

Speaker impedance: 24Ω