A9 Wireless Guitar System 2.4Ghz Built-In Rechargeable Lithium Battery, Blue Product Features ? Uncompressed Wireless Signal Transmission??2.4GHz band is optimal for wireless guitar transmitter receiver system, low noise, low latency ( 15ms), supporting 3 sets of devices working at the same time (1 to 1) no interference, about 100 feet effective transmission range. High quality restore the original instrument sound. ? High Compatibility??The plugs can be rotated for 270 degrees, compatible for most electric guitar, bass, acoustic guitar and other digital music instruments with 1/4" jack. The device are approved for worldwide use. ? Long Battery Life??Built-in durable rechargeable li-battery with over 5 hrs battery life once 1.5 hrs charged simultaneously by a dual-ended Micro USB cable (included), enough to enjoy the wireless world freely in your gig, fast and convenient! ? Plug and Play??Pull up to turn on the power and paired automatically. Press and hold the transmitter for 3 seconds to switch 2 modes. Green light showing on the receiver works in acoustic guitar mode, and blue light works in electric guitar mode. That's how simple it is. No wires, more freedom. ? Legible and Easy to Use??One unit is labeled for the guitar (transmitter), and one for the amp (receiver). Literally just plug and go. Unique design is easy to recognize and play. It is the best choice for beginner guitar, professional guitarist, bass player. 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!