Obb Dual-Powered Bluetooth Guitar Amp, 10W Speaker, Gain, Bass, And Treble Product Details ?Bluetooth?You can use your phone or I pad to play background music for your workout. ?10-Watt?10-Watt Electric Guitar Amplifier that provides explosive tone with super portable size. ?Sound Effect?Sound effect control of this amplifier is flexible. Except Gain/Bass/Treble knob. There is a separate volume knob to control external source. Moreover, it can also switch CLEAN/DISTORTION effect directly. ?Media?1/4" Instrument Input,1/8" Auxiliary Input Jack for Jam-Along with Media Player / CD / phone. ?Dual-Power?Both DC12V power and 6*AA batteries is available to drive the amplifier. When DC12V adapter is connected, batteries power will be cut off.(Battery not Included). 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.