☆ Thank you for viewing. ◎ This is a used item, but it has minor scratches. It is a beautiful item in near-new condition, having been used about 3 times. ◎ The accessories are all shown in the photos. (Main unit, USB cable, and instruction manual are PDF copies) ※ Separate green connection cable included. ◎ Since there is no outer box, the main unit will be wrapped three times with cushioning material and carefully packaged, and shipped the next day or the day after. Yamaha Unified Communication Microphone Speaker System YVC-330 Product Details Top Highlights Brand: Yamaha (YAMAHA) Frequency Response: 20 KHz Connectivity: Bluetooth, USB Mounting Type: Tabletop Mount Model Name: YVC-330 Speaker Type: Multimedia External Interfaces: USB 2.0 Full Speed, Bluetooth, NFC (Near Field Communication), EXT IN/OUT (stereo mini) Microphone: Unidirectional x 3, Sound Pickup: Standard: Recommended 1.5m / Maximum 3m, SoundCap: 1m, Speaker: Full-range x 1, Volume: Instantaneous maximum 91dB (0.5m), Frequency Band: Sound Pickup: 100Hz - 20,000Hz, Playback: 190Hz - 20,000Hz, Signal Processing: Adaptive Echo Canceller, Noise Reduction, Automatic Microphone Tracking, Auto Gain Control, Reverberation Suppression, SoundCap Power: USB bus power: 5V/500mA, AC power: AC100V (50/60Hz) *AC adapter and connection cable are sold separately. Supported OS: Windows 10 (32bit/64bit), Windows 8.1 (32bit/64bit), Windows 7 (32bit/64bit), macOS 10.14, macOS 10.13, macOS 10.12, USB: USB 2.0 or later Bluetooth: Ver.2.1+EDR, Supported Profiles: HFP(1.6), A2DP, Supported Codecs: CVSD, mSBC, SBC, Wireless Output: Class2, Maximum Communication Distance: 10m (without obstacles), NFC Compatible Models: NFC-compatible Android devices