The Jw-03 Is A 4 Channel Rechargeable Wireless Transmitter And Receiver System Product Details Clear Quality Signal Transmission??2.4GHz band is optimal for guitar wireless system,low noise,low latency(less than 5mS), no interference, over 20 meters transmission distance. High Compatibility??The plugs can be rotated for 220 degrees, compatible for most electric guitars, bass, acoustic guitars and other digital music instruments, the device are approved for worldwide use. Easy to Pair??Turn on the transmitter and the receiver, press the pairing button of the receiver,then press the pairing button of the transmitter for more than 2 seconds,then they're paired successfully. User-friendly??The double-sided USB cable can charge the transmitter and receiver simultaneously,easy to switchover between the 4 signal channels. Long Battery Life??Built-in battery with over 8 hrs battery life once fully charged, enough to enjoy the wireless world in your gig. 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.