Philips LFH0234. Ear coupling: intraaural, Wearing style: In-ear, Maximum input power: 20 mW. Connectivity technology: Wired, Headphone connectivity: 3.5 mm, Connector(s): 3.5 mm stereo, right angled. Dimensions (WxDxH): 226 x 130 x 25 mm, Weight: 0.1 kg