The Bluetooth in-ear headphones HA-FX9BT deliver powerful sound with their high-performance neodymium driver and offer excellent comfort and a secure fit thanks to the included custom-shaped ear tips in sizes S/M. Bluetooth ensures an uninterrupted music experience without annoying cables, making these headphones the ideal companion for smartphones. The simple and intuitive operation is managed through the compact 3-button remote control, compatible with iOS and Android, which features an integrated microphone. This allows for taking incoming phone calls through the headphones as well. The built-in lithium-polymer battery provides a robust 5 hours of playback time.