Specifications
FormOpenWear Stereo
ColorGraphite Black / Titan Gray / Sand Gold
ModelM2503E1
Frequency response range20Hz-40kHz
Dimensions and weight
Weight of a single earbud9.7g（±0.2g）
Dimensions of a single earbud50.8mm * 34.9mm * 16.7mm
Weight of charging case52.5g（±1g）
Dimensions of charging case68mm * 68mm * 26.3mm
Total weight72g（±1g）
Charging
Battery capacityEarbuds: 56mAh
Charging case: 700mAh
Charging portType-C
Earbud input parameters5V ⎓ 130mA
Charging case input parameters5V ⎓ 1200mA
Charging case output parameters5V ⎓ 260mA
Battery life
Battery life on a single charge8.5 hours
Battery life with charging case45 hours
Connection
Wireless connectionBluetooth® 5.4
Bluetooth protocolsBluetooth®Low Energy / HFP / A2DP / AVRCP
Bluetooth codecAAC/SBC/LDAC (supported by certain models)
Communication range10m (open space free of obstacles)
IP rating
IP54 (earbuds)
Package Contents
Xiaomi OpenWear Stereo Pro x 1
Charging case x 1
Type-C Charging cable x 1
User manual x1