Headphones for kids - Ailihen I35

Among the market picks for 

Specifications: 
Headphone 
Driver diameter:40mm 
Impedance:32ohm 
Sensitivity:106dB±3dB 
Frequency response:20~20000HZ 
Cord length:1.5m 
Microphone 
Mic Dimension: 4.0*1.5mm 
Sensitivity:-42dB±3dB 
Frequency response:100~10000HZ 
Plug Type: 3.5mm 

Mic Function: 1. play or pause music; 
2. answer or end the phone calling. 

Package include: 
1pc Headphones 
1pc warranty card 

 Article Source: http://www.amztk.com/i35-lb