Features:

 - Easy plug and play: Special and professional, no adapter/additional application/Bluetooth is required, just plug the receiver into your IOS device and turn on the microphone and start recording (automatic connection and synchronization).

- Portable and Durable: The wireless lavalier microphone can be used continuously for more than 6 hours after being fully charged. Small Compact Size Help Easily Clip to Your shirt, Tie or Pocket.Hands-Free, Perfect for Filmmakers, Vloggers, Mobile Journalists, Content Creators, etc.

- Universal and Performance Wireless System:The Receiver Powered by Phones, the Transmission Microphone Built in Rechargeable Batteries Up to 6 hours Operation Time. 20M/65FT Working Distance without obstacle, 360°omnidirectional sound reception, recording every detail.

-Noise Reduction: Omnidirectional microphone for iPhone and Android,clear recording in noisy environment. Built-in high-sensitivity sound capture accessories and maximum support 20 khz high-frequency. For the Noise Reduction, maybe you couldn't expect more

Specification:

Input voltage: 5V

Frequency response: 60Hz-15KHz  

Battery capacity: 72mAh

Transmission distance: 20m barrier-free

Fully charged time: about 1.5h

Working time: about 6 hours per charge

Package Included: 

1 x Microphone Transmitter

1 x Receiver

1 x Charging cable

1 x User Manual