Ratchet Metal Audio Earphones combine quality alloy materials, advance sound performance, and a unique design. Specifications: Drivers: 9.2mm, Sensitivity: 89+/-3dB/mw@1kHz, frequency Response: 20Hz-20kHz, Impedance: 16ohm, Rate Power: 2mW, Max Input Power: 10mW.
- Noise Isolating Earphones, 3 Custom Fitted Ear Tip Sizes
- Ergonomically Shaped Ear Piece
- Compatible with Most Smart Phones
- Advance Performance Bass
- In-Line Microphone