✔ Suction Cup Design - Super strong suction cup replaces the old clip to make it portable, fashionable and simple without affecting the beautiful headstock.<br><br>✔ Zero-Button Design - Rotate the tuner 90 degrees to turn on/off.<br><br>✔ LCD Display - High brightness color LCD, easy &amp; convenient to read.<br><br>✔ Mini Size - Easy to carry<br><br><br><strong>✔ Specifications:</strong> <br>   -Tuning range: A0(27.5Hz)~C8(4186Hz) <br>   -Tuning mode: Chromatic<br>   -Accuracy: +-1 cent<br>   -A4 range: 440Hz<br>   -Tuning method: Auto<br>   -Power Supply: 3V (CR2032) Lithium battery<br>   -Dimension: 44(W)X31(D)X26(H)mm/ 1.73 x 1.22 x 1 inch<br>   -Weight: 23g / 0.81oz<br><br><br><strong>✔ Package Included:</strong> <br>   1 x Cherub ST-710 Suction Cup Tuner<br>   1 x Button Battery<br>   1 x Instruction Manual