Design for your relaxed routine audio demand, suitable for studio podcast starter and other customer to use it for entertainment, studying or recording and so on. It’s fine to apply it for daily video chatting over SKYPE, MSN, game talking, desktop recording, singing and video conferencing, language learning etc. Specification: Model:SF-666 Sensitivity:-55dB±2dB Impedance: ≤2.2K Ω Operation Voltage: 1.5V Standard …