Low power consumption makes the power is enough to operate in a long distance.The screen is convenient and easy to use, and no programming or creation is required.This remote control with full functions and comfortable touch will bring you enjoyment to the fullest extent.Suitable for LG Mini Hi-Fi System model AKB73655739 CMS4340 CMS4340F CMS4540 CMS4540F CMS4540F CMS4540W OM5541 OM5541FB OM7550 OM7550FB CM4341 CM4441 CM4550 CM4550FB CM4541 CM8430 CM8440 CM8440FB CM9940 CM9940FB CM9730 CMS9730F CM9740 CM9740F CM9550 CM9550FB CM9950Colour:blackMaterial:ABSPower supply: 2 X AAA batteries (not included)Package Contents:1x Remote ControlOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.