Φ3.5*3P-plug with gold;
speaker Φ3016-32ΩM;
frequency range:20-20000Hz;
Rate power:20mW
Max.power:50mW
sensitivity 110+-4dB
DC3.5*3P nickel plating;
1428*4C*1600BLK-PVC cable;
1009-32 speaker;
In-ear earbuds, ABS any colors;