Bluetooth protocol: 5.0
Channel: 2
Usage: earplug style
Single or dual ear: bilateral stereo
Waterproof: IPX5 waterproof
CVC8.0 call noise reduction
Bluetooth distance: 10m
Bluetooth frequency band: 2400MHz-2483.5MHz
Speaker impedance: 32Ω
Microphone sensitivity: 38dB
Battery capacity: 300mAh