Product Features:

1. Universal version.

Our speaker microphone can both work with Android,IOS (Apple) systems and many walkie-talkie.
Other wireless speaker microphone on the market can only work with Android system,cannot work with other systems, But we can give you more options. 

2.Built-in 1500mah lithium battery. 
It provide longer standby time and working time.
Our wireless speaker microphone has a built-in 1500mah battery, no need to charge with the charger dock, our package contain with a USB charging cable. It will be more convenient and safe when charging.