Built-in DSP audio processing system, can be a very good eliminate Noise and echo, to ensure clear communication, and music.
Bluetooth version:V4.0 + EDR. Can talk, listening to music
Small and light, stealth design.
Battery type:50mA rechargeable lithium battery
2 in a row, to the telegraph, voice prompt operation

Technical Details

Product Details

Package Dimensions
Width : 3.2 inch
Height : 1.3 inch
Length : 3.2 inch

Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B010D4L2SQ