Adjustable receiving volume control up to 30dBHearing Aid compatible (for hearing aids set to the T setting)Adjustable receiving tone control with 4 levels to suit personal preferenceOutgoing speech amplification (-4, 0 , 4 db)5 one direct memories and 10 priority memoriesHandsfree/speakerphoneRedial KeyMute functionPhone book (30 numbers)Waterproof (IP67) emergency transmitter included (range of 20 to 30m)Wristband auto dials up to 5 emergency numbersConfirmation tone callPersonalised voice announcementCalls can be answered using the remote emergency SOS button Wristband Features 1 waterproof remote (IP67) emergency transmitter includedRange 20m to 30mAuto dial up to 5 emergency numbersConfirmation call tonePersonalised voice announcementCalls can be answered using the remote emergency button (hands-free function activates)