Xtreme 51422 Bluetooth Headphones, Blue Full Audio & mobile control for answering calls while on the go Compatible w/ all Bluetooth devices including smartphones & cushions for max. comfort 40mm audio drivers for max. sound quality & performance ranges up to 33ft Full Audio & mobile control for answering calls while on the go Compatible w/ all Bluetooth devices including smartphones & cushions for max. comfort 40mm audio drivers for max. sound quality & performance ranges up to 33ft Full Audio & mobile control for answering calls while on the go Compatible w/ all Bluetooth devices including smartphones & cushions for max. comfort 40mm audio drivers for max. sound quality & performance ranges up to 33ft