Strings Instruments: Acoustic/Electric Guitar, Ukulele, Violin, Bass, Banjo Standard Tuning - Easy to navigate and touching; Small and size one-handed swivel clamp. Fast & Accurate: Tuning in seconds Tuner's advanced Mini Processor and highly sensitive Sensor will your instrument is accurately tuned in a flash. Easy to Use & Highly Sensitive: Turn it on, clip it on, and you're to tune. Since the tuner detects the pitches directly from your instruments' vibrations, so the ambient room noise will never in the way. : This tuner built to last. This cute tuner will great helper and your loved instruments in tune time in seconds. Easy to Read & 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.