Bluetooth 4.0 provides a stable wireless transmission with audio and video synchronization for smooth playback and control. Lightweight and compact design makes it easy to carry and store. The remote control is made of ABS material and is fireproof, offering a durable housing. Works with Bluetooth 4.0 enabled devices for convenient wireless operation. Practical and reliable for media playback and presentation control in everyday use. Use scenarios Home theater and media playback: control TVs, projectors, Blu ray players, or other connected devices without cables while watching movies or streaming content. Travel and mobile use: easily control smartphones, tablets, or laptops on the go, reducing the need to reach for devices directly. Classroom or meeting room: navigate slides, play videos, and manage presentations remotely to keep the session smooth and hands.