Hammer KO Mini bluetooth earphones is powered with Bluetooth v5.0 for faster and secure connection, and can be used up to 10 meters. Hammer KO Mini 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 earphones are portable and easy to carry around, and enough power to keep you charge for upto 13 hours. Hammer bluetooth wireless TWS are compact and lightweight in design for long comfortable use.