SE215 Wireless Earphones provide rich, detailed sound with resonant bass, allowing you to hear the nuances in your music with the freedom brought by Bluetooth Connectivity. Sound Isolating design keeps earphones in and noise out, and a detachable, form-fitting cable offers a personalized fit. Each earpiece utilizes a high-definition driver for clarity across its 22 Hz to 17.5 kHz frequency range. The array of included sleeves offers a tight and comfortable fit, which yields up to 37 dB of passive noise isolation. The durable sweat-resistant housings protect the components from damage caused by moisture. Features: - Professional model comes in clear with a standard 3.5 mm cable. - Single Dynamic Driver produces great sound in a convenient and portable package. - Sound Isolating design blocks up to 37 dB of outside noise for immersive listening no matter where you are. - New wireless model features Bluetooth 5 connectivity, and provides up to 10 hours of battery life and 30 feet (10 meters) of wireless range with a dedicated headphone amp for improved high-fidelity audio over prior models. - Inline remote and mic on wireless model offers seamless control for phone calls, voice commands, and easily accessible operation of volume and music playback. - Wireless model includes charging cable, zippered carrying case and fit kit with three sizes of soft flex sleeves. - Wired 3.5 mm option includes velvet drawstring case and fit kit with three sizes of soft flex sleeves