Description: 2.4G stable wireless transmission signal, low latency, 20 meters barrier-free reception. No need for APP, plug-and-play, one-click connection. Intelligent dual microphone noise cancelling technology, Type-C interface, with 80mAh battery capacity ensure a long of 6-10 hours work time. 360 full pointing pick up, record every detail of the sound. Compatible with various devices, support mobile phones, tablets, cameras, notebooks, etc. Perfect for indoor / outdoor live broadcasting, video recording and shooting, online teaching, interview recording, etc. Specification: Model: J10 Interface: Type-C Product size: 4.5x1.8x6.5cm/1.77x0.71x2.56inch Material: ABS PC plastic Frequency range: 2.4GHz Frequency response range: 20~20KH Transmission delay: 18MS Signal-to-noise ratio: 64dB Input voltage: DC4.8-5.4V Charging current: 65mA Battery capacity: 80mAH Working hours: 7H Charging time: 50min Microphone: digital microphone Package Includes: Optional: 1 Mic 1 Charge Case: 1x Wireless Microphone 1x Charging Case 1x Receiver 1x USB Charging Cable 2 Mic no Charge Case: 2x Wireless Microphones 1x Receiver 1x USB Charging Cable 1 Mic no Charge Case: 1x Wireless Microphone 1x Receiver 1x USB Charging Cable Note: 1. Please allow 0-1cm error due to manual measurement. 2. Wish you a wonderful on-line shopping!