Features: Versatile Sound Selection: Features adjustable sound control for customized settings, with tone/throb conversion capability to work with various phone configurations. Provides flexible action for different user preferences. Efficient Call Management: Includes quick repeat and end call functions for convenient handling, powered by an advanced microprocessor chip for consistent performances. Ensures smooth communication experience. Sleek and Functional Design: The compact white or red ABS body combines modern aesthetics with practical features like a retractable cord for organized use without batteries. proposals space saving solution. Enhanced Compatibility: Delivers seamless tone/throb switching ability, maintaining clear communication across multiple telephone line types. Works with most standard phone systems. Simple Installation: Straightforward plug and play setup with user friendly controls, including convenient buttons for repeat and end call operations, perfect for residential or professional environments. Easy to operate immediately. Specifications: Model: 1002 Color: white-red Features: Pull cord battery- Product function: hoop tone change function sound/throb frequency conversion function Redial hangup function Package Includes: Pull cord tiny telephonex1 note: Pay attention to the storage methods.