1. Using UHF digital chip, the transmission delay is less than 1 , the anti-interference of automatic I-D frequency locking is strong, the transmission signal is more , more stable, and the timbre is clear. 2. The function of automatic frequency sweep matching is more convenient and simple to use. 3. Standard 3.5 to 6.35 audio converter, widely used in all types of speakers and audio equipment. 4. The chip has low power prompt and low power shutdown function. 5. Using digital circuit processing technology, the signal-to-noise is higher. 6. The structure is made of high strength ABS, beautiful and practical. The lenses are made of high brightness P C material, which is more wear-resistant. 7. U-band frequency penetration is stronger, more stable and pure tone. Wireless Microphone: Model: -W006 Band: 630-696 MHz RF power: 10dBM Mic type: capacitive microphone Battery type: 3.7V lithium battery 450mAh Receiver: Model: -W006-a Band: 630-696 MHz Frequency response range: 50Hz-15KHz Battery type: 3.7V lithium battery 450mAh Power Charging Requirements: USB5V 500mA Distance: up to about 30 color:Black Material:plastic Package Contents: 1 x Handheld UHF Wireless Microphone set 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.