Note: This package does not contain programming lines and must be paired. Different brands use different programming lines. specification: Item Type: Hearing Aid Programmer_x000D_Material: ABS_x000D_PC interface communication: USB _x000D_USB connector type: Type B connector (on the programmer)_x000D_Power supply: Programmer powered from PC USB port_x000D_Operating system: For Win XP, for Win 7, for Win 10 Features: 1Universal Programmer: This hearing aid programmer is compatible with all brands of hearing aids. Universal hardware interface programmed for all types of hearing instruments. 2Easy to Carry: This hearing aid programmer is fast, portable, lightweight and effortless to carry on the go and is compatible with professional brand hearing aids. 3For computers: This hearing aid programmer is suitable for desktop and laptop computers. It is convenient with a USB port for direct power supply. 4Hearing Assistant: This hearing aid programmer is a great helper for people with hearing problems, helping you to listen more clearly to people with hearing loss. 5Operating System: This hearing aid programmer has an installation driver disk for Win XP, for Win 7, for Win 10 operating systems. PackageList: 1 x Hearing Aid Programmer 1 x USB Cable 1 x CD Driver