New, unused product. Although it is a new, unused product, 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 it takes about 2 hours to fully charge. It charges with 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/66ft through walls Latency: 12ms Frequency Response: 20-20KHz; +1db/-3db Rotation Angle: 282° Number of Simultaneous Users: 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 product is available for immediate purchase. No purchase application is required. We generally do not offer discounts. Discounts are available for bulk purchases. Thank you.