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Wireless connection: Bluetooth 5.0
Communication distance: 10 meters (accessible to open environment)
Working time: about 4 hours
Standby time: about 150 hours
Single earphone battery capacity: 40mAh
Charging box battery capacity: 300mAh
Headphone charging time: about 1.5 hours
Charging time of charging box: about 2 hours
The net weight of a single headset: about 4.1g.
Note: This Redmi headset is a Chinese version