The CM28 from NEEWER is a wireless Lavalier mini microphone that contains a receiver, two transmitters and a charging case for charging, storage and transport. The noise-cancelling receiver enables clear, crisp recordings with one click and a constant 200m audio transmission in open environment. With 4GB of internal memory, the receiver can function as an audio signal processing device when connected to a device or as a storage device when it operates autonomously. 3 audio recording modes, Mono, Stereo and Ms, can be chosen according to needs. The LCD display simplifies use during recording sessions. The compact construction and extended battery life allow you to use the CM28 easily, indoors and outdoors. Technical Characteristics Microphone Model: CM28 Power supply: 5V 500mA Wireless frequencies: 2400-2483.5MHz. Modulation method: GFSK Audio Frequency Response: 30Hz-20KHz Wireless Transmitting Power: ≤10dBm Battery type: 3.7V lithium battery. Energy Saving Mode: Auto Off After 5 Minutes Operating Temperature: 0-55°C/32-131°F Storage Temperature: -20-55°C/-4-131°F Dimensions (TX): 47x26x13mm/1.9"x1"x0.5" Dimensions (RX): 47x29x14mm/1.9"x1.1"x0.6" Weight (TX): 18g/0.6oz Weight (RX): 21g/0.7oz Charging Case Power supply: 5 V 2 A. Battery capacity: 2000mAh/3.7V Package contents: 1 x charging case. 1 x receiver. 2 x Transmitter 2 x windshields. 1 x Audio Cable for Camera 2 x USB-C Cable 1 x OTG adapter. 1 x user manual (English language not guaranteed)

• 【Charging Case for Extended Use】 The fully charged charging box, can fully charge the transmitters and receiver 2 times in 1.5 hours. After a full charge, the transmitters and receiver can work for 9h and 8h respectively. To fit various devices, CM28 comes with OTG adapter, camera audio cable, and USB-C cable for iPhone 16 15 Pro Max, Android smartphone, digital cameras and computers.
• 【Portability with LCD Display & Monitoring】 This lightweight and compact microphone with a neck clip is effortless to wear and is invisible when recording videos. The LCD display shows mode, volume, battery level, connection status, noise cancellation and other recording information. You can control the recording in real time via the 3.5mm audio jack.

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