This item is a professional pickup specially designed for guitar. It is made of rubber material which ensures sturdy use and provide great performance. Easy to install and convenient to use. and necessary DIY guitar pickup for guitar lovers, players, learners or music bands. Features -Color:Black -Material: Rubber -Size: About 11.00X4.50X1.50cm/4.32X1.77X0.59inch - transmitters and receivers can be used for electroacoustic instruments such as guitars, basses, fiddles, and so on. - UHF 730mhz original sound transmission, anti- , ultra-short time delay. - Supports simultaneous use of four sets of devices, with the maximum transmission range up to 50 meters. - Built-in rechargeable lithium battery, long working time, with USB cable, easy to charge. - Ready to use, easy to use, small size, light weight, easy to carry. Specification -Audio response range: 20HZ-20KHz - : high 730mhz -Transmission range: Max. 50m (barrier-free); 30m (through the wall) -Transmission delay: less than -Power supply: Built-in 3.7V 600mah rechargeable lithium battery -Charging time: 2 hours -Endurance: 6 hours Package list: 1 x set of guitar pick-up