50W X 2 With Usb Bluetooth 5.0 Power Amplifier 2 Channel Stereo Mini, Black). Product Details NEW VERSION!!! Supporting multiple inputs (RCA/AUX/USB/Bluetooth) and outputs (speaker/headphone), can as USB sound card supporting computers (no need for driver) and phones (with OTG function) input, almost can meet all kinds of home audio system device. Upgraded Bluetooth to 5.0, achieve faster transmission speed, more stable signal and lower consumption, perfectly compatible with various Bluetooth devices. With best HiFi sound among similar amplifiers in the market, thousands of times tuning taking lots of time to bring excellent listening experience. The sound is clear and clean without any audible noise even at the highest output 50W*2. Adopting expensive encoders to avoid noise when adjusting volume and switching input mode, and pure copper speaker terminals ensure lossless transmission. Mini size with LED display is very well for home and desktop use; high-end treatment of case and components make it more durable and attractive. 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.