Replacement Foam Tip for VoiceBooster & Aker Headset Microphone This is for just the foam tip for the Microphone. The VoiceBooster brand is owned by TK Products, LLC. Each VoiceBooster product comes with a 6 month parts and Labor Warranty that is serviced by TK Products, LLC. The VoiceBooster must be purchased through TK Products or one it's authorized dealers for Warranty Claims to be honored. Buy with confidence!