A12 Headphones Earphones Earbuds Earphones, Noise Islating, High Definition, Fits All 3.5mm InterfaceStereo for Samsung, iPhone,iPad, iPod and Mp3 Players(Black+White+Pink+Green 4pairs)

Notes If you connect to an unsupported smartphone, the microphone of this unit may not function, or the volume level may be low. This unit is not guaranteed to operate digital music players. Using the Multi-function button Press once to answer the call, press again to end; press to play/pause a track. Earphones Type: Closed, dynamic Driver unit: 9 mm, dome type Power handling capacity: 100 mW (IEC*) Impedance: 16?+15% Sensitivity: 95dB+-3dB Frequency response: 5 Hz – 40,000 Hz (JEITA) Cable: 1.2 m wire, Y-type Plug: 3.5mm plug Microphone: Yes Open circuit voltage level: –40 dB (0 dB = 1 V/Pa) Effective frequency range: 20 Hz – 20,000 Hz