No APP or Bluetooth is needed

* Plug and Play, Easy to Use

* Compatible with iOS and Android Devices

* Small, Lightweight and Portable

* Only 0.009s Delay in Transmission

* 20-30 meters 65FT Audio Range & Battery 40-65mah&6H Working Time

* 360° Omnidirectional Sound Reception,Real-time Clear Voice Auto-Syncs

* Intelligent Noise Reduction within Decoding Chip