This is 3.7V Replacement Battery for iPod Nano 4th Gen + Tools. New and high quality, you will like.<!--Features --><p>FEATURES</p><p>Features</p><ul class="p_f"><li>New and high quality</li><li>Top replacement battery for your iPod nano 4th</li><li>Non-OEM battery</li><li>Easily to replace that with the included opening tools</li><li>Part No. 616-0407</li><li>Voltage: 3.7 V</li></ul><br><!--Specifications --><!--Package Includes --><p>Package Includes</p><ul><li>1 x 3.7V Replacement Battery for iPod Nano 4th Gen</li><li>1 x Pry tool</li></ul><br><!--Extra Info --><p>Extra Info</p><ul><li>Compatibility: iPod Nano 4th generation 8GB / 16GB</li></ul><!--produts_compatibility -->