Features: 1. Patented product, mini portable lavalier design, 360-degree free rotation, Perfect for work, travel and entertainment. 2. 2. Pick up sound clearly, support one-key mute, one-key noise reduction, gain adjustment and real-time monitoring, and support the use of other external microphones, easy to use. 3. Professional 2.4G wireless products, stable connection without frequency hopping, wireless barrier-free transmission distance up to 100 meters. 4. Equipped with a high-definition LED screen receiver, which can display the working status of the microphone's transmitting and receiving in real time, which is very considerate. 5. Two-channel reception (stereo and mono) can be , and dual-signal output (analog signal and digital signal) can be , which can match various occasions and equipment. Product: 2.4G wireless one-to-two lavalier microphone It is fully compatible for mainstream electronic devices such for mobile phones, computers, sound cards, and cameras. It is suitable for various scenarios such as online live broadcast, video teaching, Vlog , program interviews, and interview recording. It is your intimate and good partner. Direction: omnidirectional Working frequency: 2.4Ghz (private agreement) Frequency Response: 20Hz - 20kHz Transmission distance: about 30M Transmission power: Less than10dBm Battery capacity: 3.7V/300mAh Charging interface: USB-C Rated input: DC 5V/500mA Charging time: about 1H Battery life: 10 hours (same as receiver and transmitter) Working temperature: -10C~45C Storage temperature: -20C~60C Material: ABS colour: black Package Contents: 2 x microphone transmitters 1 x microphone receiver 2 x rabbit fur windproof cotton 1 x USB-C to for OTG connector 1 x 3.5mm spring wire 15CM 1 x English instructions 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.