40MM
boAt Rockerz 450 Bluetooth On Ear Headphones with Mic, Upto 15 Hours Playback, 40MM Drivers, Padded Ear Cushions, Integrated Controls and Dual Modes(Luscious Black)
boAt Rockerz 450 Bluetooth On Ear Headphones with Mic, Upto 15 Hours Playback, 40MM Drivers, Padded Ear Cushi…