Advanced Wireless Technology : Wireless guitar system features digital wireless technology that delivers great dio quality, simple setup, and is extremely reliable for any musicians. UHF sound transmission, anti-interference and ultra-short delay, giving you the best . Clear Signal Frequency : The wireless guitar system delivers a full 20Hz-20kHz frequency response, so you'll hear your guitar tone in great detail with only 4ms of latency. Low noise and latency. Multi Devices Supported : Supports 4 sets of devices working at same time, one-to-one; and max. transmission range is up to 50 meters.You are afforded the freedom to roam the stage for a truly dynamic performance. Rechargeable Long Working Time : Built-in rechargeable lithium battery, working time of the guitar transmitter & receiver is up to 4 hours, and with a USB cable for convenient recharging, which ensures good performance for your every show. Plug and play, simple to use; compact size and , easy to carry. Colour:black Material:ABS+copper+electronic components Package Contents: 1 x Receiver 1 x transmitter 1 x USB cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cse the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.