[High Definition Audio Transmission]: This 2.4G wireless guitar system features a high-definition digital audio transmission in the 2.4GHz ISM band. With a 48K/16bit performance-grade sound quality, it ensures a clear, high-frequency, interference- audio transmission for a superior listening experience. [Long Battery Life]: Equipped with a built-in rechargeable lithium battery, this wireless transmitter and receiver can be fully in just 2 hours and provide up to 8 hours of continuous use. This long-lasting battery life allows you to play your music freely without worrying about power shortage. [Wide Transmission Range]: This wireless guitar system boasts a transmission range of up to 30m/98ft in open spaces and 15m/49ft through walls. It allows you to from the constraints of wired connections and enjoy your music more freely. [Multi-Channel and Colorful Indicator Lights]: The system comes with 4 built-in channels that can be used simultaneously. Each channel corresponds to a different color, making it easy to switch between channels. Simply match the color of the transmitter and receiver to the same channel for easy pairing. [Compact and Versatile]: This mini wireless guitar transmitter and receiver is compact and portable, offering a comfortable grip. It is compatible with a wide range of electric musical instruments, including electric guitars, electronic drums, electric bass, , electric pianos, and keyboards, making it a versatile addition to your music gear. Sample Rate: 48K/16bit high defnition transmission Transmission Band: 2.4GHz ISM Transmission Distance: 30m/98ft outdoors and 15m/49ft through walls. Transmission Latency: 12ms +Noise: -98dB : Less than 0.02% Dynamic Range: Greater than105dB Frequency Response: 20-20KHz;+1dB/-3dB Supported Device Groups: 4 at the same time Battery: Rechargeable lithium batteries with short-circuit protection.1 in 2 out Type-C USB charge cable Battery Capacity: 3.7V/320mAh Colour:Black Material:ABS Package Contents: 1 x receiver 1 x transmitter 1 x data cable 1 x charging case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.