The combination of the chip and the ceramic antenna greatly improves the signal coverage, the call is clear as face-to-face communication, the music is smooth and the real sound quality is restored, and the noise is reduced through intelligent judgment of different decibels! Support TF card playback, enjoy music feast at any time. - Hidden microphone with excellent noise cancellation technology to obtain high-quality voice recording, which is 35% more clear than ordinary microphones - Features:Name: Bluetooth headset - Material: Silicone - Gross weight: 74 grams - Bluetooth version: V5.0Charging time: about 1-2 hours - Music playback: about 6 hours - Effective distance: 10 meters - Talk time: about 7 hours - Standby time: about 180 hours - Battery capacity: 175 m - AWeight: 24g - Main functions: ios battery prompt, intelligent noise reduction, voice prompt, world-renowned heavy bass, 10 hours of battery life