UiiSii C100 Super Bass Stereo In EarPhone Specification: Main Feature Connection Type Wired Impedance 16 ohms Sound level/Sensitivity 85±3dB Frequency
UiiSii HM13 Wired In-Ear Headphone with Mic Specification: Main Feature Connection Type Wired Impedance 21Ω Sound level/Sensitivity 101±3dB Frequency 20-20000Hz