Xiaomi Buds 4 Pro

Xiaomi Buds 4 Pro
Specifications
ModelM2126E1
ColourStar Gold
Space Black
Dimensions and weight
Weight of a single earbud:5.0g (±0.2g)
Size of a single earbud:30.74mm*21.23mm*23.67mm (with M-size earbud tips)
Weight of charging case:39.5g (±1g)
Dimensions of charging case:46.58mm*59.28mm*26.79mm
Total weight:49.5g (±1g)
Charging
Battery capacity
Earbuds: 53mAhCharging case: 565mAh
Charging portType-C
Earbud input parameters5V ⎓ 280mA
Charging case input parameters5V ⎓ 2.3A
Charging case output parameters:5V ⎓ 560mA
Connection
Wireless connectionBluetooth® 5.3
Bluetooth protocolsBluetooth® Low Energy/HFP/A2DP/AVRCP
Communication range10m (open space free of obstacles)
Speaker impedance16Ω