Features: 【2.4G Mini Wireless Microphone System】 2.4G wireless signal transmission, more stable and more clear; the max. effective transmission range can reach up to 197ft in open area, and obstructed transmission distance is about 98ft. 【8 Channels to Avoid Interference】 Supports 8 channels flexible matching. You can press the channel button to switch the channel to prevent interference when there are other channels disturbing in the same space or near distance. 【Real-time Audio Recording Monitoring】 The receiver has 3.5mm headphone interface, you can listen to your recording audio in real-time with headphone to ensure accurate sound and complete your recording at one time. 【Built-in Rechargeable Lithium Battery】 The transmitter and receiver both have built-in 500mAh rechargeable lithium battery, which can be recharged via the provided USB cables, and working time is up to 12H after fully charging. 【With Phone Holder & Mini Desktop Tripod】 Comes with an adjustable phone holder and a