RONY Professional Wireless Lavalier Microphone is designed for audio/video recording and can be connected with iPhone/iPad/Android automatically. Without any Bluetooth apps or cables needed you can get rid of messy wires while recording. Just get seconds to plug the receiver to your devices and power on your microphones they will get paired and auto sync. Moreover the package contains 2 mics and 2 clips that you can either use one mic to record alone or together with your partners. Build in 3.7V/65MAH rechargeable battery the wireless lav mic can keep working up to 5 hours and about two-hour charging time only. Perfectly for YouTube podcast! And with total weight 0.7oz only you can attach it to your clothes and carry it easily by putting it in your pocket or clipping on your shirt to free your hands. No matter it s indoor or outdoor audio/video recording this is a wonderful choice for vloggers youtubers bloggers reporters broadcaster. Specification: Dimensions: Transmitter 2.51×0.59×0.90 in (With back clip) Receiver 1.73×1.02×0.23 in (With USB plug) USB: Lightning/TYPE C interface Battery: 3.7V/65MAH Lithium Ion Battery Phone System: IOS/Android Bluetooth Receiving Distance: Effective distance 20 meters (no obstacles in the middle) Net Weight: 0.71oz Package Included: 1 x Receiver 2 x Transmitters with Back Clip 1 x Type-C Charging Cable 1 x User Manual