Description: It is easy and convenient to use this lavalier microphone because it is plug play and self-pairing. Using DSP active noise reduction and 360 degree omnidirectional sound pick-up, this lavalier microphone can bring you HiFi and clear recording experience. It is constructed of ABS material. The 2.4GHz wireless technology supports stable and anti-interference transmission. The length of this product is 6.5cm, the width is 1.57cm and the height is 1.1cm. This lavalier microphone is suitable for video shooting, interview, live show and so on. Item Name: Lavalier Microphone Material: ABS Battery Capacity: Charging Box: 300mAh(Included) Single Microphone: 65mAh(Included) Standby Time: 20H Signal-to-noise Ratio: 85dB Transmission Delay: 18MS Frequency Response Range: 60Hz-15KHz Transmission Distance: Barrier-free 20m Wireless Version: 2.4GHz Features: Mini, Lightweight, Sensitive Size Details: Microphone : 6.5cm x 1.57cm x 1.1cm/2.56" x 0.62" x 0.43"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. for OPPO/for VIVO/for IQOO/for Realme branded mobile phones, you need to go to the settings (search for "OTG"--(turn on OTG power supply)) to use them normally. Package Includes: Style A: 1 x Microphone 1 x Receiver 1 x Charging Box 1 x User Manual or 2 x Microphones 1 x Receiver 1 x Charging Box 1 x User Manual