The LG Tone NP3 portable Bluetooth wireless earphones have a isolating ear-insert design. These iPod/cellphone-centric earphones are intended for use with iPods, iPads, some other cell phones, as well as standard audio devices. The earphones have an inline microphone and inline remote with and integrated volume, music player function, and call connect/disconnect controls. Additional features include a retractable earphone cables that store in collar. Flexible collar aids earphone transport and storage. Collar vibrates when incoming calls are received. Has music player transport, call connect/disconnect, and Bluetooth volume controls. Has power on/off and Bluetooth pairing alert tones. The LG TONE Free download for Apple and Android mobile devices shows the headphone battery level and can be used to adjust the tonal balance of the earphones using tonal presets or user adjustable EQ, and update the headphone's firmware. Supports Google fast pair and Swift Pair (alternate to traditional Bluetooth pairing methods). The headset has a vibration alert setting that is enabled by default and has the option to be turned off. Bluetooth connected Apple mobile devices using iOS Version 5 and above will show the battery level. Has multi-point feature - allows simultaneous connection of two Bluetooth devices. The Tone NP3 comes with 3 pairs of ear pieces in various sizes, USB A to USB C charging cable. Warranty Card, User Manual and is covered by a 12-month parts/12-month labor warranty.