Simply wear the microphone-equipped earphones and capture what you hear, then listen back instantly. You can enjoy realistic sound as if you were there. You can also monitor while recording thanks to the CS-10EM’s all-in-one design. Features Compact, high-quality stereo condenser microphones built into earphones Powered by the recorder (operating voltage is 2V to 10V; also works with other products) All-in-one design lets you monitor while recording Sophisticated enclosure design reduces feedback Specifications Element: Electret Condenser Polar Pattern: Omnidirectional Frequency Response: 20 Hz to 20,000 Hz Open Circuit Sensitivity: -40 dB 1V/Pa S/N: Greater than 60 dB Impedance: 2.2 kO Current Consumption: 500 μA Power Requirements: 2 V to 10 V Type of Construction: Dynamic Driver: 12.5mm Driver: †12.5mm Maximum Input: 200 mA Frequency Response: 15 Hz to 22,000 Hz Impedance: 16 O Weight: 4.5 g (without cord) Cord: 1.5 m Plug: Stereo mini (gold-plated) x 2 Accessories: Carrying Pouch, Ear pieces (S, M, L)