This wireless microphone comes with a receiver and transmitter. Simply insert the receiver into your device and turn on the microphone for automatic connection, no Bluetooth or additional setup required. Compatible with Android phones, computers, and tablets. Ideal for video broadcasting, recording, conferences, live streaming, vlogging, TikTok, Twitch, and more. For phones: The built-in camera app may not support external microphones. Use third-party apps such as TikTok or download a compatible camera app to utilize the microphone. For Android phones, especially Samsung and Huawei models, locate OTG in the settings and enable OTG power supply for proper operation. Features: - Noise Cancellation Mode: Automatically enabled at startup, no manual adjustment needed. - Silent Mode: Can be manually turned on and off. - Reverb Mode: Can be manually turned on and off. Product Specifications: - Transmission distance: 20-50 meters (in open space without obstacles) - Battery life: 3-6 hours - Built-in battery capacity: 50mAh-100mAh - Wireless transmission: 2.4G - Signal to noise ratio: ≥ 75dB - Sensitivity: -38dB - Transmission delay: ≤ 25ms - Frequency band: 2400MHz-2483.5MHz - Color: Black - Material: ABS Package Contents: 1 set of Wireless Lavalier Microphone (Other accessories not included) Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.