✔ Rechargeable Battery Inside – Around 5.5 hours’ continuous use after one full recharge<br><br>✔ Sensitive Tuning – Fast &amp; accurate tuning with cents visible<br><br>✔ Highlight Display – Colorful screen with wide viewing angles<br><br>✔ Mini size for quick installation &amp; 360-degree rotation to get the best viewing angles<br><br><br> ✔ <strong>Specification:</strong><br>   -Tuning Modes: Chromatic, Guitar, Bass, Violin &amp; Ukulele<br>   -Tuning Accuracy: +-0.5 cent<br>   -Pitch Range: 430Hz-450Hz<br>   -Detection Range: A0(27.5Hz)-C8(4186.00Hz)<br>   -Power Supply: Rechargeable built-in battery (3.7V / 110mAh)<br>   -Dimension: 34x31x79mm<br>   -Weight: 22g<br><br><br><strong>✔ Packing List:</strong><br>   1 x Aroma AT-102 Electronic Clip Tuner<br>   1 x Micro USB Cable<br>   1 x User Manual