NO BATTERY CHANGES - USB Rechargeable. Strong and Resistant for Beginners and Professionals on the Road.</br> SUPER EASY TO USE - One Button Controls Everything. Clip it Turn it on and You're Ready!</br> ROTATIONAL COLOR DISPLAY - Multi-Angle View with a Rotational Clip Design.</br> 100% ACCURATE - High Precise Detection with a Sensitive vibration Clip It will Be in Tune Fast.</br> LIFETIME WARRANTY - If You Got a Defective Unit Just Contact us and We'll Replace it.</br></br>Product Description</br></br><p><b>Keep Your Instrument in Tune Every time Everywhere</b></p> <p><b>Introducing the New Rechargeable x5 Clip on Tuner</b></p> - Built to Last. Strong and resistant for beginners and professionals on the road. <br>- Rotational color display with multi-angle view <br>- Chromatic guitar bass ukulele banjo mandolin and violin <br><p><b>Easy to Use!</b></p> Just clip it turn it on and You're done. <br><p><b>Accurate and Quick!</b></p> - High precise detection with a sensitive vibration clip. <br>- Your instrument will be in tune in a fraction of a second. <br><p><b>Features</b></p> - A4 Calibration: 430Hz to 450Hz <br>- Detection Range: A0 (27.5Hz)~C8 (4186Hz) <br>- Tuning Accuracy: ?? 0.5 Cent <br>- Power Supply: Rechargeable battery 3.7V (Battery and USB Cable - INCLUDED) <br>- Dimensions: 3.1x1.3x1.2 Inches <br>- Weight: 0.8 oz <br><p><b>We Offer a Lifetime Warranty. If you Have any Problem?? We'll Replace it! All you Need to Do is Contact us.</b></p> <p><b>Click the "d to Cart" Button Above and Take Advantage of this Promotional Price Before it's too Late!</b></p></br><br/>http://www.amazon.com/gp/product/B00OJX7UCAA3