Detailed Product Description Unique Bluetooth Car Kit, Headset, Speaker 3 in 1,U&I-04AMain Features:* Joint or Separate Using Method for Choice* Echo Reduction System by DSP* 4 Convenient Charging Solutions* CE,FCC,RoHS Approval 2. Combining the two sets together: the car kit base and Bluetooth headset.3. Can be used in the holster clipped on car visors,also can be usedat home or in the office ...