65FT Transmission & Rechargeable : This lavaier mic has a stable audio signal, the longest wireless transmission distance can reach 65FT and the high-quality DSP chip can bring more stable transmission. Wireless microphone transmitter has built-in rechargeable battery with working time up to 6 hours Note: Not Compatible with iPhone 15 above(USB-C). Please make sure the bluetooth in your cellphone is OFF before starting to make voice or video recordings Omnidirectional Mic with Noise Reduction: The built-in intelligent active noise reduction chip allows you to record clearly in noisy environments, which can provides more vivid, soft, natural and stereo sound around for recording or real time video 1x Receiver + 2 x Transmitters: The Upgraded dual wireless lavalier microphones has 1 receiver and 2 transmitters included, which makes it possible to record sound or video from both 2 parties at the same time. Also, you can use just use 1 mic alone for interviewing, online conferencing, podcasting, vlogging, live streaming Plug and Play: No Bluetooth, No APP, No adapter needed. Just plug the receiver into your devices and turn on the power switch of the transmitters, the two parts will get connected successfully and auto paired immediately. Note: If the matching is unsuccessful, don't worry, just turn off the device and try again Full Compatibility: Compatible with iOS Devices. The wireless lav mic can work iOS system and can be use with iPhone and iPad. Without usb c type interface connected to your mobile phone, it can not be used with android devices