Features:
3 in 1 Design: Tuner, tone generator and metronome function all in one unit.
Tuning through vibration, helps you to find the accurate tune of your instrument.
The full featured metronome makes basic and complicated rhythmic patterns possible.
Train your ear with the tone generator.
Volume control knob to adjust the volume according to your needs.
Headphone jack allows your to catch and listen to the rhythm via the earphone.
Comes with LCD screen, gives you a very accurate and easy-to-read display.
Equipped with holder, easy and convenient to use. 
Multi-instrument tool, great for electric, acoustic bass, guitar, violin, ukulele.

Specifications:
Color: Black
Tuning Mode: Auto
Tuning Items: Chromatic, Guitar, Bass, Violin, Ukulele.
Tuning Range: A0(27.5Hz) - A3 (1760.0Hz)
A4 Frequency Range: 430Hz-450Hz
Tolerance: ±1 cent
Tempo: 30-250bpm
Beat:0.1.2.3.4.5.6.7.8.9
Tone Generator: G, 1-6 stings; B, 1-4 stings; U, 1-4 stings; C, 2A-6A
Power Supply: 2 * AAA batteries(not included)
Item Size: 10.8 * 6.5 * 1.5cm / 4.3 * 2.6 * 0.6in
Item Weight: 76g / 2.7oz
Package Size: 18.5 * 4.8 * 3cm / 7.3 * 1.9 * 1.2in
Package Weight: 143g / 5.0oz

Package List: 
1 * Tuner
1 * Cable with Clip

Note: 
The battery is not included.