I used it once, but it didn't suit me, so I'm selling it. The SHOKZ OPENMEET UC, which uses bone conduction technology, is a wireless headset perfect for business and remote work. - Brand: SHOKZ - Model Name: OPENMEET UC - Connectivity: Bluetooth - Charging Port: USB-C - Included Accessories: Carrying case - Design: Open-air type - Usage: Business/Remote Work - Sound Quality: Bone Conduction Thank you for looking.