Feature:
* BRAND NEW& professional Quality Guaranteed!
* Small, portable design let you take it anywhere
* Worked by vibration, allowing accurate tuning despite ambient noise
* Easy operation with only two control switches: on/off switch, KEY switch
* Auto-detect function display string number and name of the note
* Easy to read LED lights show you which way to tune
* Auto-off saves energy if no sound signal detected
Specification:
* Power: 3 V CR2032 cell battery x 1
* Tuning range: E1(41.2Hz) -----a3 (1760Hz)
* Keys: C, F, Bb, Eb
* Half Note: #, b
* A4 Tone Generator frequency: 435 --- 445Hz
* Size: L84 x W55 x D7 (mm)
* Color: black
* Weight: 87g
* Accessory included: operational manual, pickup, CR2032 cell battery
