Features 1. Wireless pickup microphone 2.4G: wireless connection, capable of providing up to 48K high-resolution recording. 2. Low latency: no noticeable delay during recording. 3. ENC activated by default: Excellent noise reduction performance, easy to record in noisy environments without interference. 4. Bluetooth mode: In Bluetooth mode, it can be used for karaoke, adding background sound during recording etc. 5. Dodging function: When connected to Bluetooth to play music, the recording function automatically blocks background Bluetooth music. 6. Reverb function: Enable reverb to make the sound more pleasant. 7. Battery life: 300mAh high-capacity battery, continuous recording for up to 12 hours. Specifications Product type: Lavalier wireless microphone Channel system: Dual microphone and receiver Control method: Button Active and passive: Active 2.4G solution: Jerry AD6976M4 Operating system: GFSK Operating frequency: 2.4G-2.4835GHZ Radio sensitivity: -38db Effective range: More than or equal to 10 meters Transmitter power consumption: 2ua Transmitter power consumption (video mode): 25ma Transmitter power consumption (Bluetooth mode): 30-40ma Receiver power consumption: 16ma .Receiver charging current for mobile phone: 1000ma Microphone signal-to-noise ratio: More than or equal to 65db Frequency response: 20Hz-20KHz Monitoring: One-way monitoring Microphone: Electret Battery: 300mAh Talk time: More than 10 hours Standby time: (off state): 6 months Charging input standard: DC-5V/MAX 200+/-10mA Charging time: 1.5-2 hours