Mini portable Guitar Chromatic Clip-On Digital Tuners for guitar,bass,violin,ukulele,music instruments Guitar Parts Accessories Quick Overview: WST-905 Clip-On Tuner To make a high-quality tuner, we use degree piezo to detect the string vibration. Metal clip and ball joint structure offers maximum durability and flexible angle of view. All of these are also essential for WST-905s very quick response. We chose the colored VA LCD (Vertical Alignment liquid crystal display) screen to offer a darker background, high contrast ratio, wide viewing angle, and better image quality everywhere, and its way more better than any traditional twisted-nematic displays. years of experience and the musician-engineer developers are tweaking the tuning algorithms step by step to create the best tuner for the musicians. Including the bass guitar players, because of the low-frequency processing difficulties, tuning a 5 string bass guitar is a big challenge by using a regular clip-on tuner WST-905 s very sensitive tuner and it provides an accurate pitch response quickly for all instruments including the 5 string bass guitar. Packing list: 1pcs