<p>Strings Instruments: Acoustic/Electric Guitar, Ukulele, Violin, Bass, Banjo Standard Tuning - Easy to navigate and smooth touching; Small and compact size one-handed swivel clamp. Fast &amp; Accurate: Tuning in seconds!Tuner&#39;s advanced Mini Processor and highly sensitive Sensor will your instrument is accurately tuned in a flash. Easy to Use &amp; Highly Sensitive: Turn it on, clip it on, and you&#39;re ready to tune. Since the tuner detects the pitches directly from your instruments&#39; vibrations, so the ambient room noise will never get in the way. Reliable: This tuner was built to last. This cute tuner will great helper and get your loved instruments in tune every time in seconds. Easy to Read &amp; Adjustable Screen: is a vertical, full color display with limitless viewing angles. The dual swivels makes mounting perfect for left handed or right handed players anywhere on the headstock. Colour:black Material:plastic Package Contents: 2 x tuner 1 x English manual 1 x battery Only 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. </p>