Features [Omnidirectional Microphone] High sensitivity, 2.4G wireless connection, low delay, can pick up sound from all directions and reproduce it clearly; support 1 receiver and 2 transmitters using at the same time. [Mini Clip-on Lavalier Microphone] Compact size and weights only 7g, can be easily clipped on your collar, you can hardly feel it while speaking, no messy wires and no need to hold it by hand. [Compatibility] Replacement for iOS smartphone, plug and play, no APP needed, no need of BT connection, transmitter and receiver will automatically pair up, quick and convenient to use. [20m Wireless Transmission Distance] Adopt advanced 2.4G wireless transmission technology, a larger effective scope gives you more movement freedom. [Wide Application] Suitable for various occasions, such as live stream, interview recording, video shooting, video conference, online teaching, and more, a good helper for anchors, reporters, short video maker, businessmen, teachers, and so on. Specifications Color: Black Material: Plastic Transmitting Distance: 20M Battery Capacity: 75mAh Working Time: About 5 hours Transmitter Size: 4.5 * 1.5 * 0.7cm/ 1.7 * 0.5 * 0.2inch Transmitter Weight: 7g/ 0.24oz Receiver Size: 4.5 * 1.6 * 0.6cm/ 1.7 * 0.6 * 0.2inch Receiver Weight: 3g/ 0.1oz Note The smartphone showed in the pictures is not included. Package List 2 * Transmitter 1 * Receiver 2 * Wind Muff 2 * Microphone Clip 1 * USB Cable