Features:Fit acoustic and classical guitars.Can also work with most tuners that have a 6.3mm jack input.High-sensitive and low-noisy pickup.A quick and easy way to amplify your guitar's sound.No drilling hole required， easy to install， just clips onto the edge of the sound hole of your guitar.Specifications:Item Type: Classical acoustic guitar pickupFit Guitar: Classical/ acoustic guitarCable Length: Approx. 5M/ 16.4ftJack: 6.3mmColor: BlackWeight:130g/ 4.6ozPackage list:1 * Soundhole pickup