With Two Channels Of Bluetooth And A Headphone Jack, The Joyo Mini, 02 Ii Blue). Product Features 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. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!