Xiaomi Openwear Stereo Pro Graphite Black

Specifications
Form
OpenWear Stereo
Color
Graphite Black / Titan Gray / Sand Gold
Model
M2503E1
Frequency response range
20Hz-40kHz
Dimensions and weight
Weight of a single earbud
9.7g(±0.2g)
Dimensions of a single earbud
50.8mm * 34.9mm * 16.7mm
Weight of charging case
52.5g(±1g)
Dimensions of charging case
68mm * 68mm * 26.3mm
Total weight
72g(±1g)
Charging
Battery capacity
Earbuds: 56mAh
Charging case: 700mAh
Charging port
Type-C
Earbud input parameters
5V ? 130mA
Charging case input parameters
5V ? 1200mA
Charging case output parameters
5V ? 260mA
Battery life
Battery life on a single charge
8.5 hours
Battery life with charging case
45 hours
Connection
Wireless connection
Bluetooth® 5.4
Bluetooth protocols
Bluetooth®Low Energy / HFP / A2DP / AVRCP
Bluetooth codec
AAC/SBC/LDAC (supported by certain models)
Communication range
10m (open space free of obstacles)