J18 2 in 1 Wireless Lavalier Microphone 8Pin Lapel Mic for iPhone Noise Reduction for Live Streaming Vlog

• Long lasting battery life, built-in charging case: The wireless microphone can pick up sound for up to 7 hours on a single charge, and with the charging case, it can last up to 48 hours of battery life. Charging takes 5 minutes, and picking up sound takes 1 hour
• 30 meter long-distance wireless transmission: 2.4G wireless transmission with strong penetration, stable signal, barrier free distance of 30 meters, unrestricted recording and pickup
• 360 ° omnidirectional pickup: High sensitivity pickup for clearer sound, high fidelity sound quality, mini and compact size
• Intelligent noise reduction, clearer and more delicate vocals: up to 48KHZ stereo recording, filtering multiple types of noise for different noise environments
• Multi-level noise reduction and reverberation modes, can be switched freely: mute mode, noise reduction mode, reverberation mode, suitable for different scene applications

Specifications:

• Frequency band: 2.4GHz
• Wireless distance: about 30m (open environment)
• Power supply mode: polymer lithium battery
• Battery capadty:370mAh
• Charging voltage: DC5V/0.3A
• Charging time: about 1.5H
• Endurance: about 7H
• Microphone type: full pointing capacitor 
• Head sensitivity:-38dB
• Microphone frequency response: 20H~20kHz
• Sample rate: 48KHz
• Weight: Transmitter TX: 28.5g; Receiver RX: 285g