CrystalClear HD Voice Calls Dualmicrophone technology with intelligent environmental noise suppression. The headset automatically adjusts volume based on ambient sound to keep your voice clear in busy environments and provides clear audio for the person on the line. Up to 30 Hours of Talk Time capacity battery offers up to 30 hours of continuous talk time on a single charge. Approximate 2hour charging time. Ultralong standby life. 12 metre Bluetooth range (lineofsight). Supports Siri and Google Assistant for hands control. Advanced Bluetooth 5.3 Connectivity Bluetooth V5.3 delivers faster pairing, lower power consumption, and a more stable connection. Multipoint pairing lets you switch between two devices without repairing. Effective Environmental Noise Cancellation performance noisecancelling algorithms filter out background interference such as traffic, wind, or office chatter. Stay focused and communicate clearly whether you are on the street, in a cafe, or working remotely. SingleEar Design and Practical Use M80 singleear Bluetooth headset designed for allday wear and easy integration with daily tasks. Compatible with devices that support Bluetooth, with voice assistant support for hands control. Use scenarios On the move: clear calls while commuting or walking through busy streets, airports, or cafes. Remote work or meetings: hands calls at the desk with stable multipoint connection and quick voiceassistant access. Home and office tasks: longduration conversations that require clear voice transmission and reliable wireless performance.