Tóm lược: DW1 is the first Bluetooth sport earphone of Takstar which features Bluetooth4.1 technology for quick matching and reliable transmission, IPX4 protection to meet the requirement of preventing from sweat and water during daily application, built-in noise reduction microphone to offer HD vocal communication, multiple ergonomic ear fins and ear pads for various wearing requirements, strong magnetic adsorption in Al housing to prevent from winding and sliding.