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Wireless connection: Bluetooth 5.0
Bluetooth protocol: HFP/A2DP/HSP/AVRCP
Communication distance: 10 meters (barrier-free and open environment)
Continuous listening time with dual headphones: about 4 hours
Headphone standby time: about 150 hours
Single headset battery capacity: 40mAh
Charging box battery capacity: 200mAh
Headphone charging time: about 15 hours
Charging time of charging box: about 2 hours
Net weight of single earphone: about 4.1g
Charging box size: 27X12X10MM
Machine size: 10X8X6MM
