VTech LS6105-17 Accessory Cordless Handset for VTech LS6185 Retro Phones VTech LS6105-17 Accessory Cordless Handset Accessory handset onlyrequires a LS6185 series phone to operate The cordless handset rests face down on the charger to maintain its classic style. Backlit keypad and display With the touch of a button, speakerphones in each handset make hands-free conversations easy.