1. Can be switched among four channels

2. Frequency is 2.4 GHz

3. Plug for the 5P metal

We use Japanese 2.4HZ channel. it can be connected with any type of docking station to use;

Four channels can be switched and choosed,the distance can be reached more than 5 meters;

we use glossy design of crust and ensure that  the paint won't break off.