This 4-in-1 multifunctional headphone integrates translation, music, calling and sleep noise cancellation all in one. Built with Hi-Fi dynamic drivers, it delivers immersive sound with rich bass and clear treble, perfectly suited for daily calls, music listening, sleeping, travel translation and more daily scenarios. Adopting dual noise isolation technology of active noise cancellation and passive sound insulation, it greatly blocks snoring, household appliance hum, pet sounds and traffic noise for a quiet sleeping environment. Each earbud weighs only 3g with soft skin-friendly silicone ear tips, offering pressure-free comfort for side sleepers, insomniacs, shift workers and travelers. It supports real-time translation across 165 languages with 8 practical translation modes, and the free Saymi App requires no subscription for full use. Equipped with Bluetooth 6.0, it ensures stable connection, low latency and low power consumption with fast pairing. It provides up to 8 hours of single charge use and 48 hours of total battery life with the charging case, plus Type-C fast charging for efficient power supply, bringing you an all-round and high-quality using experience.