Features: Superior quality of audio performance 2.4Ghz Frequency for stable transmittion Built-in TF card slot to prevent missing recording External REC recording button realize the function of one-key start/pause of card recording. Magnetic clip, convenient disassembly and assembly. Built-in lithium battery is charged with Portalble TYPE-C charging box. Portable charging box for convenient carrying and charging. NOTICE: Some Devices Need Extra Adapter Cable to transfer and Fit the Mic. (Adapter Cable not include in this item) If use on i - Phone and i - Pad, need an 3.5mm Female TRRS TO Male Lightning Adatper Cable. If use on Smart phone got a USB-C Port, You need an 3.5mm Female TRRS to Male USB Type-C Adapter Cable. This wireless lavalier microphone supports automatic connection between Transmitter & Receiver after power on and easy operations if you need manual pairing. Specification Frequency range: 2.4GHz Max Capacity: max support capacity of 32G Maximum SPL: Built-in microphone:120d - B SPL Sensitivity: -32dB+/-2dB Signal to noise ratio: 90dB(TX),96dB(RX) RF input level: -32~-51d - B Audio input source: 3.5mm microphone with built-in microphone Input frequency range: 40KHz-15KHz Effective Distance: 70 meters (No obstacle) Voltage: 400m - W(TX) 3.7V(RX) Audio output port: 3.5mm interface Audio Format: WAV RF output power: 12dbm Power Dissipation: TX unopened recording 180m - W, open recording 440m - W, RX 280m - W Superior Audio Performance: The Transmitter features an in-built omnidirectional microphone that delivers broadcast-grade audio and can also be used with any lavalier mic via the 3.5mm TRS input. The Receiver features a dual-purpose clip that can either clip onto clothes or a camera strap or slide securely into your camera’s cold shoe. Ultra-compact, super-lightweight and incredibly versatile. 2.4G wireless frequency, independent noise reduction algorithm, 7-level noise reduction. - The operating range can reach 70 meters . The receiver adopts a TFT screen, which displays the power and signal of the receiver and transmitter. working status including recording mode, stereo and mono mode display Package Include:The product package contains Charging Case x 1;Transmitter x 2;Receiver x 1;Furry Windshield x 1;Magnetic Bukle x 1;Magnetic clip x 2;Camera cable x 1;Smartphone cable x 1;USB Type-C Cable x 1;User Guide x1 Magnetic Clip System This Lavalier Microphone has a powerful magnetic clip system that allows for easy positioning of a wireless transmitter on talent. Clothing can be sandwiched between the magnet and clip for total flexibility. It can even be used to place the mic discreetly on an object in a scene or on a stage to capture dialogue. Widely usage and Large Capacity This Wireless Microphone Compatible with most of 3.5mm interface, Camcorder, Smartphone, SLR/DSLR, camera, Gopro, laptop, portable audio recorders, computers, and so on. Some Devices Need Extra Adapter Cable to transfer and Fit the Mic Portable Carrying Charging BOX This Wireless lav mic will come with a charging carry case. It not only provides protection, but also provides a rechargeable function allowing you to charge anywhere. One-touch to sync recharging the system without removing them from the case. Widely Used and Large Compatibility This wireless laple microphone can be widely used for You - Tube live stream, Vlog recording, interview, program hosting, podcast, presentation, church, wedding.etc... Compatible with most of 3.5mm interface, Camcorder, Smartphone, SLR/DSLR, camera, Gopro, laptop, portable audio recorders, computers, and so on.