Walker&';s Game Ear Silencer 2.0 wireless electronic earbuds with a SAC (sound activated compression) hearing protection. The earbuds features stable left/right earbud connection; touch button controls; dynamic wind noise reduction; variable gunshot compression; voice prompts and auto shut off. Includes rechargeable lithium battery with a rechargeable lithium battery in dock; micro USB cable and three sizes of Sure-Lock sizing fins and foam tips.