Extended standby time: a powerful 5.0 chipset and optimized circuitry form a standby current loop that recycles energy, delivering longer standby time. IPX6 waterproof and compact design: protects the internal circuit from dust intrusion and provides double protection for internal parts in harsh rain conditions, so travel and outdoor activities stay uninterrupted. Longlasting builtin battery with smart power management: builtin 1200 mAh battery with an improved smart chip reduces energy consumption by 35 percent, reducing the need for frequent charging of headphones with small batteries. Clear voice and reliable mobile communication: prioritizes voice clarity, practical mobile communication, and strong anti interference capability, features commonly used in radio communications. Use scenarios Outdoor travel in rain or dusty environments: IPX6 protection and compact form enable dependable performance during commutes, hikes, or camping. All day use with less charging: the 1200 mAh battery and energy saving chip support longer use between charges for extended sessions or daily wear. Group calls and work in noisy environments: the strong anti interference capability and clear voice performance improve communication in construction sites, events, or fieldwork.