Bluetooth headphones in ear headphones series jvc ha ebt type of fitting in ear transmission mode cordless features sweat proof splashproof replaceable earpads in line control music functions next track pause play volume previous track sound function in line volume control sound mode stereo bluetooth bluetooth version bluetooth 30 driver 10 mm number of drivers 1 magnet type neodymium operating time 4 h battery charging time 2 5 h type of batte