This item is a set of professional guitar transmitter and receiver. They are made of ABS material which ensures sturdy use and provide great performance. Easy to install and convenient to use. It is a necessary DIY guitar pickup for guitar lovers, players, learners or music bands. Features -Color:Black -Material:ABS - Size: 11.50X3.50X2.50cm/4.52X1.38X0.98in -Voltage:3V -Battery:2 x AA battery(not included) - Response:60HZ-18KHZ - transmitter and receivers can be used for electroacoustic instruments such as guitars, basses, fiddles, and so on. - Effortlessly audio transmission wirelessly, strong anti- , stable transmission. - Enhanced version of the musical instrument sound linking system, workmanship design simple. - Perfect for guitarists and other musicians, can be a good your friends who love guitar. - Ready to use, easy to use, small size, light weight, easy to carry. Simple design adds a touch of style. Package list: 1 x transmitter 1 x receiver