Feature:1. The outer shell is made of ABS material, which is environmentally friendly and at the same time moistureproof and corrosionresistant. The microphone has a sound cotton to reduce the spraying of wheat, which has a good overall feeling2. Enable any of your speaker equipment to achieve wireless amplification. Restore the original sound. Using UHF digital chip, with lossless sound quality transmission, more pure sound3. The wireless receiver has low battery prompt and low battery shutdown function. In case of cochannel interference during use, the A/B channel can pass frequency conversion to avoid cochannel interference4. Using UHF digital chip, only 25 millisecond transmission delay. The sachs wireless Usegment microphone has strong antiinterference ability and more reliable and stable transmission signal5. The sachs wireless Usegment microphone is small and exquisite, easy to carry around, no matter where you go, there is a stage for youSpecification:Item Type: Saxophone MicrophoneMaterial: Metal + plasticMicrophone Battery: 3.7V lithium battery 400MAReceiver Battery: 3.7V lithium battery 400MAWireless Microphone Receiver Frequency Band A: 600MHZ-649MHZ Frequency Band A: 600MHZ-649MHzFrequency Band B: 650MHZ-699MHZ Frequency Band B: 650MHZ-699MHzRF Power: 10dBM Frequency Range: 50HZ-15KHZMicrophone Core Type: Capacitive microphone Battery Type: 3.7V lithium battery 400mahBattery Type: 3.7V lithium battery 400MA Power Supply: USB 5V500MA-1AOperating Distance: Effective distance of 30 meters Operating Distance: Effective distance of 30 meters.Package List:1 x Microphone1 x Receiver1 x User Manual 1 x 6.35 Conversion Head1 x Power Cord