Built-in microphone for receiving calls. Remote control with functions: Call, answer/disable phone call, volume control, next/previous track. Ergonomic design. Weight 100 grams. Reproducible frequency 20-20000Hz. Sensitivity 20 dB. Connection Type: Wired Lightning. Emitter type: dynamic. Noise reduction: passive. Connection Interface: Lightning. Reproducible frequency: 20-20000Hz. Resistance: 32 ohms. Sensitivity: 20 dB. Volume control: Touch. Housing materials: ABS, TPE. Control panel: Yes. Microphone: Yes. Cable Length: 1m. Functions: Call, Answer/Decline Phone Call, Volume Control, Next / Previous Track. Weight: 100 grams.