Product Name: Hot in Ear Sport Wired Headphone Urbeats Stereo Earphone Beats Model NO.: urbeats earphone Jack Type: Plug-in Jack Diameter: 3.5mm Function: Noise-Cancelling, HiFi Usage: DJ, Portable Media Player, Computer, Mobile Phone Communication: Wired Type: Moving-Coil Headphones Color: Silver, Red, Gold, Black, Rose Red, Grey, Purple Wire Material: PVC Length: 1.2-1.8 Microphone: with Sensitivity: 108dB Audio Range: 20-20000Hz Bluetooth Version: 3.0 Weight: 0.018kg Warrante: 12 Months Ear Coupling: Circumaural QC: Test One by One Sound Pressure Level (Spl): 103dB+/-5dB