This is a new, unused item, but there may be minor deformation or scratches on the outer box. Accessories include the transmitter, receiver, original box, dual USB cable, and instruction manual. It can be used continuously for up to 10 hours and takes about 2 hours to fully charge. It charges via a Type-C cable. Up to 8 units can be used simultaneously. Specifications: Sample Rate: 48k/16bit Transmission Band: 2.4GHz Transmission Distance: 40m outdoors, 20m through walls Latency: 12ms Frequency Response: 20-20KHz; +1db/-3db Rotation Angle: 282° Simultaneous Use: 8 Battery: Rechargeable lithium battery with short-circuit protection 1 in 2 out type-c usb charging cable Transmitter/Receiver Battery Capacity: 480mAh Product Size: 4*3*13cm / 1.6*1.2*5.1 inches The listed item is available for immediate purchase. No purchase application is required. We generally do not offer price reductions. Discounts are available for bulk purchases. Thank you.