- Replacement mono wireless earbuds
- Long-wearing, pressure-free comfort: leatherette ear padding
- Dual microphone system: unidirectional ECM and analogue MEMS
- Passive background noise reduction
- Microphone bandwidth: 100Hz - 7300Hz
- Professional full-range loudspeaker: optimum speech clarity
- Speaker bandwidth (music mode): 40Hz - 16000Hz
- Speaker bandwidth (voice mode): 150Hz - 6800Hz
- Sidetone function: feedback of the user's voice into the speaker to adjust the volume
- SafeTone 2.0 acoustic protection technology: combination of PeakStop, IntelliTone 2.0, voice level normalisation, and intelligent acoustic shock prevention
- Conference mode: adds 3 additional headsets
- Busylight: indicates usage status