3 in 1 metronome, digital tuner and tone generator for Guzheng.<br> High-sensitivity vibration tuner responds fast, which ignores background noise, perfect for loud, chaotic environment.<br> Clear LCD screen will give you excellent visual effect.<br> Clip-on Pickup & Built-in Microphone For Fine Tuning & Ease<br> The precise tuner with headphone jack, input jack and volume control and light indicator.<br> Automatic shutdown function: 5 minutes without operation, the machine will automaticlly power off.<br> Small and exquisite appearance, convenient to carry.<br> Suitable as a gift for your friends, family or with others.<br> Model: MT-70B<br> Fit: for chromatic; Guzheng<br> Fine tuning: +/- 1 Cent<br> A4 range: 430 ~ 450HZ<br> Power supply: 2 * AAA batteries (without included)<br> Colour: black<br> Material: plastic<br> Package Contents:<br> 1 * Guzheng Tuner<br> Only the above package content, other products are not included.<br> 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.