Note: Please tear off the insulating paper at the bottom of the microphone when charging Specification: Item Type: Wireless Lavalier Lapel Microphone_x000D_Material: ABS_x000D_Microphone Battery Type: Built in 2 x 80mAh Li Ion Batteries (included)_x000D_Receiver Battery Type: Built in 80mAh Li Ion Batteries (included)_x000D_Interface: 3.5mm_x000D_Frequency Range: 2.4GHz_x000D_Frequency Range: 20?20KHz_x000D_Transmission Delay: 9ms_x000D_SNR: 64dB_x000D_Operating Time: About 7H_x000D_Charging Time: About 50min_x000D_Microphone: Digital Microphone Features: 12.4G WIRELESS: Wireless clip on microphone, real time auto sync technology, and 2.4G signal transmission with super low latency, the sound picking up follows the picture in real time. Wireless microphone allows you to complete dynamic shooting, cell phone recording and short video production in a variety of large scenes. You can clip the microphone in your clothes or pocket to free your hands and record at a distance. 2RECHARGEABLE: Wireless lavalier microphone built in 80MAH rechargeable battery, can work continuously for 7 hours without power. Microphone reciever is powered by your device (can be charged at the same time). While using the lavalier mic, you can charge your device simultaneously. Enable to cover 70ft for signal, helps you get rid of messy wire and clearly recording or taking video at a further distance indoors or outdoors. 3INTELLIGENT NOISE REDUCTION: Omnidirectional microphone with human voice curve correction, no matter which direction the sound comes from, it can pick up the sound accurately device clearly records every detail of the sound regardless of surrounded environment. Professional noise reduction technology cuts off noise interference while recording so as to ensure the sound quality. 4PLUG AND PLAY: Professional wireless lavalier microphone requires no fussy setup. No adapter, Bluetooth or APP required. Just plug the receiver into your device and turn on the portable microphone, the two parts will pair automatically and when the microphone's blue light stays on, it means the microphone is working properly. 5WIDE APPLICATION: Wireless lavalier lapel microphone works with smartphones, tablets, laptops and other devices that support 3.5mm interface, is suitable for interviews, online meetings, podcasts, microblogging and live streaming. PackageList: 2 x LavalierMicrophone 1 x Receiver 1 x ChargingCable 1 x InstructionManual