The Hammer KO is a pair of entry-level true wireless stereo earbuds manufactured by home-grown technology startup Hammer. These basic wireless earbuds come with a hook-based design for a secure fit – that seems to set it apart from peers in the budget segment. Except for hooks, however, there is nothing novel about these earbuds. They have Bluetooth v5.0 for connectivity, microphones for voice calls, touch controls and IPX4 water resistance rating.
So far as design is concerned, these earbuds are not ergonomically sound, thanks to their hook-based build. But they sure are lightweight. The earbuds are made mostly of plastic,