Advanced Wireless TechnologyThis Bluetooth headset is equipped with an advanced Bluetooth 5.2 chip. The connection speed is fast, the connection is stable, the connection range is 33ft(10m) without any obstacles!IPX65 Waterproof RatingWater-resistant with an IP65 rating, suitable for sports and heavy sweating. Not suitable for swimming and should not be submerged in water.Multi-function ButtonOur headphones have a multi-function button and volume controls for easy music management, call handling, track switching. Stay focused on your tasks without having to fumble with your phone.