Philips In-Ear Headset SHE2105BW/28 White/Black 15mm speaker driver optimizes wearing comfort Bass beat vents allow air movement for better sound Integrated microphone & call button Extra 3.5mm plug for Nokia, Sony Ericsson, Samsung Slim cap earbud design for best comfort fit Integrated microphone & call button Extra 3.5mm plug for Nokia, Sony Ericsson, Samsung 15mm speaker driver optimizes wearing comfort Bass beat vents allow air movement for better sound Slim cap earbud design for best comfort fit