Premium HD aluminum in-ear earphones for smartphones, tablets, MP3 players, DAP, DAC, portable gaming consoles, PCs and any audio device with a standard 3,5mm jack. Metal remote control with microphone for hands free calls with a single button to answer/hang up and play/pause music. Ergonomic design and full aluminum body. 1,2m rubber wrapped tangle-free braided wire. Maximum sound isolation and high performance playback. High tech, lightweight, professional quality materials for maximum fidelity sound in any condition. Full and round bass, rich and natural sound midrange and melodic treble for a pure and honest playback. 3 sets of high quality ear tips included: S, M & L sizes. Velvet feel pouch and user guide included. HD 6mm independent dynamic drivers. Sensitivity: 115dB/mW. Frequency response: 15-22.000Hz. Impedance: 16Ω. Maximum distortion: <0,2%. You'll be amazed by the performance of your UBSOUND Magister in-ear earphones and their natural acoustic signature.