Hammer Airflow Plus bluetooth wireless earbuds is powered with Bluetooth v5.1 for faster and secure connection, and can be used up to 10 meters. These earphones wireless ear tips cuts the most of noise for the best experience. Hammer Airflow Plus Earbuds are IPX4 rated for light splashes of water, and it is advised not to use in heavy water condition, such as swimming or heavy rainfall, as it may lead to warranty void. Hammer TWS earbuds are portable and easy to carry around, and enough power to keep you charge for upto 23 hours. Hammer best wireless earphones are ergonomics in design for long comfortable use.