1. Onboard Microphone, And Speaker Header, Easy Audio Input / Output
  2. Supported Sampling Rates Including 8K, 11.025K, 12K, 16K, 22.05K, 24K, 32K, 44.1K, And Default 48K (Hz)
  3. Supported Systems Including Win7/8/8.1/10, Mac OS, Linux, Android, WinCE
  4. Standard USB 2.0 Port, Driver-Free, Portable Size
  5. Suitable For Raspberry Pi