Joyo Mini Practice Guitar Amp Combo (Ja-02 Ii Blue) Is A 5W Rechargeable, Product Details Rechargeable--JOYO Mini Guitar amp is built in rechargeable battery, 1.5 hours(on FULL LOAD condition) to 6 hours play time once get fully charged, package included USB charging cable, or you can use any 5V battery charger(Rated Output Currrent?1A), Nearly all smart phone chargers meet this requirement. Rich Interfaces--1/8" Auxiliary Input Jack for Jam-Along with Media Player or CD, 1/8" Headphone Output Jack for Silent Practice. Bluetooth Function--Built-in bluetooth communication units (Bluetooth version:5.0), you can connect it to devices with Bluetooth function to play music. Innovative Design--Small size yet huge energy, JA-02 II feature the independent knobs for the volume of AUX IN/Bluetooth and input volume, you can more precisely equalize the volume of background music and instrument sound. Two Channels--There are two tone channels (Clean/Distortion). You can choose different tones by adjusting GAIN and TONE, which is more suitable for playing different styles of music. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.