Wireless headset with noise canceling function, 35-hour battery life. - Brand: SONY - Model Name: WH-CH720N - Noise Canceling: Yes - Battery Life: 35 hours - Water Resistance: IPX4 - Microphone: Supports hands-free calls - Equalizer: Yes - Multipoint Connection: Supported Thank you for viewing. Purchased on December 27, 2024, at the Sony Store. I confirmed it powered on and intended to use it, but realized I only use wireless earbuds, so I have been storing it. If needed, I will include the delivery receipt (with the purchaser's name redacted) shown in image 8, so please contact me after purchase. *The delivery receipt is not normally included. It has been opened once, so although it is new, please refrain from purchasing if you are sensitive to this.