Bluetooth version: 5.0
Color classification: white black border [Bluetooth 5.0+ smart touch+surround stereo] white red border [Bluetooth 5.0+ smart touch+surround stereo] white gray border[Bluetooth 5.0+ smart touch+surround stereo]
Headphone category: True wireless headphones
Waterproof performance: IPX4
How to use: In-ear
Transmission radius: 10m
Whether single and double ears: bilateral stereo
Smart type: does not support smart
Standby time: 20 days
Transmission radius: 10m
Connection method between the left and right cavity of the headset: wireless connection
Dustproof performance: IP5X