Earphone Robot re22 Impedance 1615% Frequency response 20-20KHz Sensitivity 90dB3dB Driver Unit: 10mm Interface 3.5mm Cable Length 1.2m Pengenalan Produk Feature: 1. Soft half-ear headphones, comfortable to wear, no feeling of pressure 2. TPE striped flat line 3. The audio cable with a button and microphone, you can answer/reject phone call or stop/play music when using with cell phone 4. The Mic is close to your mouth, clearer voice when you making calls 5. Mini design, easy to carry