Brand Name: Remax
Item Name : S1 Pro
Audio Slot: 3.5MM HD jack
Microphone: Yes
Noise Concelling:  Yes
Voice Control: Volume -/+
Style:  In Ear Neckband Sport Earphone
Speaker impedance :  16 Ω
Frenquecy :  20-20000KHZ
Sentivity :  88db
Remax Earphones line Length:  1.2 M