【Professional-Grade Recording】 Smart wireless lapel microphone delivers studio-quality audio output for live streaming and recording. 【Plug-and-Play Functionality】 No app required, offering instant use for various applications including live streaming, vlogging, interviews, and video teaching. 【Multiple Audio Effects】 Features studio, concert hall, KTV, and voice-changing effects for versatile audio production. 【Long Battery Life】 Up to 6 hours of continuous use on a full charge, ideal for extended recording sessions. 【BT 5.0 Connectivity】 Ensures stable wireless transmission within a 10-meter range for flexible positioning. Specifications: Microphone Main Chip: WS300F1 Receiver Main Chip: WS300F1 Power Adapter: 5V?1A Charging Current: 310mA Battery: 3.7V 200mAh (Polymer Li-ion Battery / 601040 with Protection Board) Charging Time: Approx. 1.5 hours Power Consumption: 0.14W Power Interface: Type-C Receiver Power: Power Supply: 5V?1A (via PC USB port or mobile phone Type-C port) Power Consumption: 0.12W Battery: None Power Interface: Type-C Speaker: Model: YS1502008 Size: Diameter 14.2mm Rated Impedance: 32Ω ±5% Audio & Microphone: Sound Card Function: Supported BT Function: Supported Mic Directivity: Omnidirectional Sensitivity: -36 ±2dB (f=1KHz, S.P.L=1Pa, 0dB=1V/Pa) Output Impedance: 2.2KΩ (f=1KHz) Signal-to-Noise Ratio: 64dB Mic Operating Voltage: 1.0V – 10V Maximum Input SPL: 118dB Supported Audio Formats: MP3, WAV, WMA, FLAC, APE Supported Sampling Rate: 24bit / 48KHz Maximum Output Power: 60mW Transmission Distance: Within 10 meters BT Version: 5.0 BT Switch: Enabled by default BT Playback: Set via mobile phone Usage Time: Up to 6 hours on a full charge Receiver Size: 55 x 41 x 12mm Transmitter Size: 71 x 20 x 13mm