Bluetooth version: Bluetooth 5.0

Chip: Bluetrum

Headphones waterproof: IPX8

Supported 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 type

Storage card capacity: 8GB