NEEWER CM31 Wireless Lavalier Microphone System Portable Noise Cancellation Mic 300m Stable Transmission for Phone Camera with 8GB Storage

Key Features

Multi-Device Plug & Play Compatibility
The CM31 features a plug-and-play receiver with included OTG adapters and a 3.5mm TRS cable. Connects seamlessly to iPhone, iPad, Android devices, DSLR cameras, camcorders, tablets, and laptops. Supports simultaneous connection of up to three devices and allows real-time monitoring, noise reduction, and mute control when working with two.

High-Resolution Audio with Built-In Storage
Capture studio-quality audio with a full frequency range of 20Hz–20kHz at 48kHz/24bit. The built-in 8GB memory stores up to 14 hours of uncompressed audio. Equipped with an 80dB signal-to-noise ratio and capable of handling up to 115dB SPL for clear recording in high-volume environments.

Long-Lasting Power for All-Day Use
Each unit runs for up to 9.5 hours (recording off), and the compact charging case provides a total of 24 hours of use. The charging case fully recharges both transmitters and the receiver 1.5 times in just 2 hours per cycle—ideal for day-long shooting sessions.

Professional Features for Total Audio Control
Includes one-click noise cancellation, mono/stereo/safety track modes, and 15-step gain adjustment. The receiver allows remote muting of both transmitters, ensuring precise control over recording output for interviews, vlogs, or stage content.

Ultra-Stable 1000ft Wireless Transmission
With enhanced LDS antenna technology, the CM31 supports up to 300 meters (1000 feet) of stable transmission in open areas. Engineered for high anti-interference performance in both professional and casual environments.

Smart LCD with Reversible Display
The 1.3” LCD screen on the receiver rotates 180° for easy visibility whether mounted or handheld. Switch between single or dual device interface views. The TX indicators show pairing, power, recording, and mute status at a glance.

Specifications

• Model: CM31

• Microphone Type: Lavalier (Wireless)

• Polar Pattern: Omnidirectional

• Frequency Range: 20Hz–20kHz

• Resolution: 48kHz/24bit

• Signal-to-Noise Ratio: 80dB

• Storage: 8GB (14 hours recording time)

• Transmission Range: Up to 1000 ft / 300 m

• Battery Life: 9.5 hrs (per device), 24 hrs with case

• Dimensions: 115 x 55 x 55 mm

• Weight: 281 g

• Color: Silver

• Compatibility: Phones, Cameras, Tablets, Laptops, Action Cameras

What's in the Box

• 2 x Transmitters

• 1 x Receiver

• 1 x Charging Case

• 2 x Furry Windshields

• 2 x OTG Cables

• 1 x 3.5mm Audio Cable

• 1 x Charging Cable

• 1 x Carrying Pouch