Feature: 1. Adopts Integrated Digital Chips: Intelligent noise reduction, high sound quality reduction, strong anti interference, and help you restore excellent sound quality. 2. Stable and Long Distance Reception: Wireless transmission with 30M pickup distance, anti interference and anti whistle, clear sound effect. 3. Equipped with XLR to 6.35 Plugs for Transmitter and Receiver: It can be used in the speaker, mixer, amplifier, guitar and other sound equipment. 4. Clear LED Display Screen: Real time display of frequency band and electric quantity, letting you pay attention to electric quantity in time, and it is convenient to use. Highlight the on/off condition of the machine to prevent forgetting to shut down. 5. Built in Long Endurance 500‑800mAh Lithium Battery: High performance electric polymer lithium battery has a lasting endurance working hours. Specification: Item Type: UHF Wireless XLR Adapter System Color: Dark gray Material: ABS Bandwidth: BLE2400-2483MHz Frequency Stability: ±30ppm Dynamic Range: >90dB Sound Frequency Response: 40Hz to 18KHz Harmonic Distortion:<0.5% Operating Temperature: -10℃ to 50℃ Operating Voltage: 3.7V Working Distance: >20m SNR: ≥100dB Duration: 6-8h (included) Delay: 3.0ms Distance: 30M Battery: 500-800mAh Item Size: Transmitter: 118 x 32 x 25mm / 4.65 x 1.26 x 0.98in Receiver: 113 x 32 x 25mm / 4.45 x 1.26 x 0.98in Item Weight: 183g / 6.48oz. Package List: 1 x Transmitter 1 x Receiver 2 x Converter 1 x Type C Cable 1 x Manual (English) Note: This product is a fixed frequency and cannot be tuned frequency.