Bluetooth version: Bluetooth 5.0
Chip: Bluetrum
Headphones waterproof:IPX8
Support protocols: A2DP v1.3, AVRCP v1.5, HFP v1.6, HSP v1.2
Working frequency: 20HZ-20KHZ
Horn diameter: 11mm
Battery: lithium polymer battery, 180mAH
Music playback time: 8-9 hours
Talk time: 9-10 hours
Standby time: 150 hours
Charging time: 2 hours
Charging port: Magnetic base
Wireless transmission distance: 10-15 meters (open space)
Headphone Type: In-Ear
Memory card Volume: 8G