Howard Leight Howard leight impact in-ear bluetooth hear thru technology Other Features: Individual & simultaneous bluetooth ver 5.O 9mm dynamic range speaker realistic, natural hear thru function w/ digital control usba rechargable with a charging time of 2 hours run-time of 10 working hours flexible & moldable earhook
Shipping within 3-5 business days UPS Surepost. All product quesions should be directed to the manufacturer. If you pay by credit card. Your billing address must match your shipping address or order will be canceled.