Features: UHF Wireless TechnologyThe wireless guitar system utilizes Latest UHF technology that delivers great audio quality and stable signal.The max transmission range is 164ft/50m(in an open area) Digital DisplayThe wireless electronic guitar system with LED screen, which can clearly display frequency, volume and power. Widespread Use270 rotatable plug design, available for most electric music instruments, electric Guitar, bass, Bakelite guitar and other musical instruments with pickup. We also offer 3.5mm adapter (included)for receiver to connect more Amplifier Equipments. 15 ChannelsThis wireless audio transmission system with 15 channels,supports 15 sets of devices working at same time, one-to-one and no-interference; Durable batteryBuilt-in 500mAh rechargeable lithium battery, working time is up to 6 hours after fully charged. Specifications: Material:ABS size:as shown in the picture Color:as shown Quantity:1 set Note: No retail package. Transition: 1cm=10mm=0.39inch. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 set x Wireless Guitar System(other accessories demo in the picture is not included.)