Features: brand new and high quality The receiver for smartphone,DSLR Camera. Wireless lapel microphones can be used for course teaching,recording,live streaming,meeting,conference,vocal,interview,vlog, etc. Operating range is up to 100 feet and the signal transfer more stable. The sound quality is incredible clear and noise-free. Dual channel wireless microphone/audio system,with separate control of each channel. Specifications: Operating Range: up to 100 feet Charging Mode: Type-C Charging Battery Capacity:800mAh Material:Plastic Size:63x50mm/2.48x1.97in Frequency Range:40Hz-20KHz Signal Shielding: 70dB Pointing Range:8feet Pickup Distance Color:Silver Gray Standby:About 6-8 hours Note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1XTransmitter 1XReceiver; 1XCharging Cable; 1XUser Manual