This is the "NaviBook AI Pro," which received a positive response on Makuake in April 2025. As of October 25, 2025, the new product is available on Amazon for 15,000 yen. I have used it about 5 times after purchase. I have only used it indoors for video conferencing. Please understand that this is a used item. The box and accessories are complete. Accessories: Detachable magnetic microphone, charging cable - Model Name: NaviBook AI Pro NB204 - Bluetooth Version: 5.4 - Battery Capacity: 600mAh - Maximum Volume: 100dB - Waterproof Rating: IPX4 - Frequency Range: 20Hz - 20kHz - AI Noise Canceling: Yes - Included: Instruction manual, charging case https://navibook.co.jp/lp/nb204/ #Earphones #Headset #NoiseCanceling #Teleconference #VideoConference