Features: brand new and high quality This product adopts 2.4G wireless technology. When the host and the remote control are connected, you can operate the DVD disc in the machine by operating the buttons on the remote control. It can perform functions such as fast-forward, fast backward, for play, pause, HOME, OPTION, TOP MENU, up, down, left and right direction keys. The longest remote control distance can reach 10 meters, there is no need to worry at all, the remote control is not available, and it needs to be aimed at the host, which avoids some disadvantages of infrared remote control. The remote control is powered by two CR2032 batteries. The product supports the secondary connection function, which is convenient for the subsequent use of the remote control. This product adopts 2.4G wireless technology, which is stable and reliable. The linear remote control distance is up to 10 meters or more. After the remote control is connected to the host, when the remote control is not used, it will automatically enter the sleep state after 10 minutes. In the sleep state, press any for key on the remote control to wake up, and it supports automatic connection with the host. Specifications: Remote Control Working Voltage: for DC 3.3V Working Average Current0.3mA Standby Current1uA Operating Distance: 10 meters Working Frequency: 2.4G Size:Approx.145x45x9.8mm/5.71x1.77x0.39in Net Weight:60g Note: Read the manual before use. Do not use and store this product in a high temperature or humid environment. Do not allow liquids or small metals to enter the product. If there is no operation function, please check whether the battery still has power. Do not give this product to children. Remarks: (Remote controller without battery) Package includes: 1x Remote Control