2.4G Guitar System Receiver for Electric Bass Keyboards Description: Universal: This wireless and receiver is equipped with a 0,35 mm plug for most electronic devices. 5 hours life: high-efficiency battery, full network signal speed to ensure trouble-free signal transmission, 4-channel push button switch, no need for pairing. Effective range: Effective range is about 30m outdoor transmission, 15m by wall transmission, signal stability, delay: 5ms, response range: 2020kHz. Easy to charge: "wireless guitar system and 2,4g receiver" rotated 280, built-in 650mah battery and charging, more convenient to use. Application: Ideal for electronics such as guitar, bas, guitar effects pedals, violin, keyboards, speakers, etc. Specifications : _ Material: ABS Channel: 4 Battery Life: 5 hours Size Chart: 8.2x4x3cm/3.23x1.57x1.18 inch The package includes: 1x 1x receiver 1x charging cable 1x instruction manual