Additional Details ------------------------------ Product description: The Snom M55 DECT Handset has 2.4 color LCD display and 6 backlit dualcolor LED programmable keys, a shared directory that houses up to 500 entries and a private directory that hold up to 200 entries, HD Audio for clear communications, Paging, an integrated belt clip so that you can easily carry it with you around wherever you may go, and offers up to 19 hours of talk time. The paging feature can be activated with one button on the side of the handset. It can be used to send an intercom message to all team members that have the M55 and M58. The M55 is to be used with the Snom M500 Pro Base Station. The M55 handset is one of two devices that pair to the M500 Pro DECT Multicell Base Station2.4 240 x 320 color LCD6 backlit dualcolor LED programmable keys Integrated BluetoothHD audio supportIntegrated belt clipHAC compliantUp to 19 hours of talk time. Features. HD audio support. Integrated belt clip. HAC compliant. Up to 19 hours of talk timeSpecifications. Weight 0.4 lbs