UiiSii GT550 Wired In-ear Earphone Headset with Microphone Volume Control

Features: Stereo Sound: High performance sound quality with super dynamic deep bass, high resolution treble & crisp powerful sound. Multi-Function: Built-in Microphone, Convenient hands-free calling,Answer ,Reject and end calls directly with the earphones. Comfortable Fit: Comfortable Ergonomic in-ear design with soft silicone sweat-proof eartips reduce outside noise Type: In-ear HiFi Stereo Earphones Compatible Music: Heavy Metal Bass Music Compatible System: Andriod / Windows / iOS Compatibility: with Compatibility Switch, Fully Compatible for most Mobile Phones, Tablets, Computers, etc. Impedance: 32 Sensitivity: 903dB Frequency range: 20-20000HZ Plug Pin: 3.5mm Speaker size: 12mm Cable length: 120cm Microphone: with Super Sensitive Microphone Line Control: Support Line Control for Mobile Phones Package Included: 1 x UiiSii GT550 Earphone