【High-Quality Sound】 Designed with a focus on sound quality, this speaker reproduces TV audio clearly. It excels in reproducing high frequencies, making dialogue and music sound crisp and clear. 【Easy Connection】 Connecting to your TV is simple, allowing you to start using it right away. Being cordless eliminates the hassle of wiring, allowing for flexible placement. 【Convenient Portability】 The lightweight and compact design makes it easy to carry and use in various locations. It's perfect for use at home or while traveling. - Brand: audio-technica - Model Number: AT-SP250TV - Type: Cordless Speaker - Accessories: Instruction manual, AC adapter, connection cable - Color: White Thank you for viewing. The remaining battery life is unknown, but I will include the batteries and ship them together. Operation has been confirmed.