Hands calling and voice assistant control Builtin microphone for clear hands calls. Press the control button to activate the voice Assistant. The Bluetooth headset uses a Bluetooth V5.1 chip for clearer sound and a stable connection. The inline button handles next track, pause/play, answer/hang up, and mute. Bluetooth 5.1 performance and noise control Bluetooth 5.1 enables faster, more stable transmission with an effective range up to 10 meters. Advanced noise reduction technology and noisecancelling microphones reduce ambient noise for definition sound quality, making them suitable for noisy office environments. Automatic pairing and multidevice connection Auto pairing on subsequent poweron after initial setup, eliminating the need for a second connection step. Supports connecting to two devices simultaneously, such as a laptop and a smartphone (Android and other platforms). Longlasting battery and convenient charging Up to 8 hours of music playback or 10 hours of talk time on a full charge, with a full recharge in about 1.5 hours. Compact, pocketfriendly earbuds designed for travel and daily commutes. Uses a TypeC charging cable for convenient power. Use scenarios In a noisy office, take calls clearly with the builtin microphone and reduce background noise during conversations. While commuting or traveling, enjoy music or podcasts with long battery life and quick, pocketfriendly charging. Work across devices: stay connected to both a laptop and a smartphone at the same time for calls, music, and quick task switching.