JBL ENDURANCE RUN ・Never used during exercise ・Used a few times at home, then stored at home It is a beautiful item with no noticeable scratches or stains. * After simple alcohol cleaning, it will be packaged. This is a balanced type with a focus on mid-range to high-range frequencies, recommended for those who mainly listen to vocals or YouTube. This product is a discontinued "wired earphone". It does not support Bluetooth and is not a wireless earphone. 【Features】 ・In-ear earphones equipped with a rich 8.2mm dynamic driver ・Ear tips (ear pieces) that are hard to fall out of the ear and can be used comfortably for long periods of time ・Sweat-proof specification (waterproof standard is IPX5 compatible) ・Built-in magnets in the earphone part to prevent tangling ・2-WAY wearing is possible: in-ear type and ear-hook type ・Equipped with a 1-button remote control with a microphone that can operate songs and make calls (play/pause songs) Manufacturer...JBL Type...In-ear type Color...Black Frequency characteristics... 20Hz ~ 20kHz Sensitivity... 100dB / mW Input plug... 3.5mm 4-pole stereo mini (Curved plug) Cable... Approximately 1.2m with 1-button remote control with microphone for smartphones Weight... Approximately 20g Accessories... Ear tips in 3 sizes (S, M, L) *M size already attached