The wire-to-air audio adaptor can work with all types of earphones. It is built with the 2.4GHz digital FHSS technology for improved interference resistance and smooth audio streaming. This piece also achieves super-high S/N hi-fi stereo sound quality.

• 20-20kHz sound quality.
• Extremely simple plug-and-play design without any installation.
• 360° omnidirectional transmission and reception for free roaming of up to 100ft radius.
• Share audio stream with family or pals at the same time.
• Compact and slim stylish design for comfortable long-time use and easy carriage.
• Auto channel tracking.
• Auto-mute function.
• Built-in Li-ion rechargeable battery and charger for the receiver.
• Compatible with Windows and Mac OS.
• Supply voltage: 5V DC.
• Modulation: FHSS / GFSK.
• Channel selection: auto.
• Channel frequency: 2,400-2,483.5MHz.
• Digital audio input and USB analog audio input.
• 3.5mm stereo phone jack.
• Battery type: built-in Li-ion battery.
• Response: 20-20KHz, -3dB.
• S/N ratio: 80dB (min.).
• THD: 0.7% (max.).