1. Imported ABS material, surface sprayed with matte oil;
2. High-quality environmentally-friendly TPE round wire, L = 1.2 M
3. Microphone: equipped
4. Drive: 10 mm, copper ring speaker, stereo.
5. Impedance: 16 ? + 10%
6. Sensitivity: 105 + 5 dB
7. Frequency of response: 20 ~ 20000 Hz
8. Ordinary wire control: for iPhones, press two times to play the last song, and press three times to play the next song, pause, answer, hang up function; for other phones such as Samsung, Xiaomi: pause, play, answer