hifi heavy bass headphone dual dynamic driver wirless headset bluetooth earphone wireless headphones

hifi heavy bass headphone dual dynamic driver earphone wirless bluetooth headset.product description:.dual driver 4 speakers make music more pleasant..sweat and splash proof can let you enjoy outdoors activities.cvc intelligent noise reduction to provide music.music play time is about 4-6 hours. talking time is about 4-5 hours, enhance greatly the time of use.can display bluetooth power on your ios device.support multi-point connection.bluetooth version: v4.2+edr.bluetooth protoc