The mini size fits closely to the ear canal, with intelligent noise reduction in both ears, highly reproduces the human voice, and calls are as clear as face-to-face. The earphone has a built-in noise reduction microphone and ANC digital noise reduction. Intelligent recognition of environmental noise can form a high-precision reverse signal and noise cancellation to bring a high-quality Bluetooth experience. Ergonomically designed, it can be worn stably during strenuous exercises such as running and fitness, without falling. Reach the standard waterproof and dustproof level, and meet the daily needs of sports and fitness. Don't worry about sweating and light rain. Features: Name: Bluetooth headset Bluetooth solution: Bluetooth V5.0, high-definition binaural call Product speaker: high-quality composite membrane speaker Product chip: true stereo chip Standby time: 60 days+ Working time: 3-4 hours, the charging compartment can charge the headset 10 times+. Charging time: about 45 minutes Communication distance: 10 meters without barriers Headphone battery capacity: 35 mA Charging box battery capacity: 1200 millimetres Bare metal weight: 30g Package weight: 90g Product accessories: 3 sets of ear caps + charging cable + Chinese and English manual Color box size: 10.3*8*3.1cm