The Tube Delight USB sound card is a portable USB sound cards that looks like a vacuum tube, it connects to your PC or notebook and you can then connect speakers, headphones and a microphone to it.

Here are the features and specifications.

• Features
• Transparent Vacuum Tube appearance
• Portable USB Audio
• Plug and Play, use standard USB driver
• A Fade-In-Out Blue LED for Power-On & Idle
• Comply with USB 2.0 Full Speed
• Stereo Microphone-In (also could be used as Line-In by turning off Mic AGC in Mic Control Window)
• Stereo Headphone-Out
• Support Window 2000/XP/Vista, Mac, Linux
• Dimension: 23 x 23 x 45mm (approx.)
• Weight: 12g

• Specifications
• Comply with USB Audio device Class 1.0
• Comply with USB Device Firmware Upgrade 1.1
• Support Stereo Earphone Output by 3.5Φ Phone Jack
• Support Stereo Microphone-In by 3.5Φ Phone Jack
• Support 16Bit 16KHz / 32KHz / 48KHz Playback, THD+N -73dB, SNR 85dB
• Support 16Bit 16KHz / 32KHz / 48KHz Recording, THD+N -73dB, SNR 85dB
• Interface: USB Mini-B receptacle

The Tube Delight USB Sound Card is available for $32 from Brando.