Jabra SP100 Bluetooth Speakerphone Compatible with Bluetooth equipped handsets Pivoting arm ensures that the microphone can be positioned for optimum voice pick-up Suction mount allows for fixing to the windscreen or use the visor clip to safely attach the speakerphone to the sun visor Volume control and mute button are useful for telephone conferencing Rechargeable batteries give up to 12 hours talk time and up to 20 days of standby time