Business Design, Exquisite Details HD Audio Quality, Noise-free Conversations Superior Durability, Professional Protection Seamless Compatibility, Free Mobility Business Design, Exquisite Details W57R is Yealink's most recent professional DECT phone. It features a business appearance of a smartphone that fits into the daily routine and a belt clip for simple carrying. It's small and lightweight but compact, having a 1.8" TFT color display and an optimized dial-pad layout with more key space. W57R also has a disinfectant-resistant surface and will not fade when exposed to UV-C light. HD Audio Quality, Noise-free Conversations With over 20 years of experience in audio technology, Yealink applied a combination of state-of-the-art technologies to the W57R to provide users with crystal-clear calls. Even in complex or wireless interference-filled environments, the W57R could deliver a stable and high-quality audio experience that fits perfectly into everyday work. Superior Durability, Professional Protection The Yealink W57R is a professional rugged DECT phone built to endure even in harsh work environments. -It can withstand a 3.5m drop without being damaged, and its durable rubber surface prevents slips, scratches, and everyday wear and tear. -There is also no need to worry about the Oops moments in daily life, as the W57R resists spills and splashes of liquids like coffee, soda, and juice. -Protection rating of 54 (IP54), dust doesn't stand a chance, either. Seamless Compatibility, Free Mobility Yealink W57R is compatible with DECT bases of single cell (W70B) for small- to medium-sized business as well as multi-cell(W80DM/W90DM) for larger spaces, providing superior mobile communication experience with seamless handover and an industry-leading roaming solution to meet diverse needs of scalable DECT solutions.