USB C CONNECTION ONLY Dynamic bassPowerful 10 mm drivers for dynamic bass and clear sound. In-line integrated mic and pick up button for convenient calls. 3 interchangeable rubber ear caps for optimal fit in all earWith a choice of 3 interchangeable ear caps from size small to large, surely there is a pair that makes these Philips earphones fit your ear perfectly. Integrated microphone & call buttonWith the integrated microphone and call button you can use this Philips headset for music as well as calls from your mobile phone. Enjoy handsfree calling, while easily accepting and ending calls from your headset. Perfect in-ear seal blocks out external noiseThe Super-small speaker drivers of these Philips earphones fit comfortably inside the ear and thanks to the exceptionally snug fit the outside noise is sealed out for high-intensity listening experience. A 1.2m long cable that is ideal for outdoor useThe ideal cable length to give you the freedom to put your audio device where you want. Rubberized cable relief enhances durabilityTo extend product life, soft rubber between headphones and cable protects cable connection from damage through repeated bending. Specifications Dimensions13 x 5 x 3 cm (H x W x D) Weight30gFrequency Range20 - 20 000 Hz Impedance32 Ohm (+/-10%) Max. Power Input5 mW Driver TypeDynamic ConnectivityCable Connection (Two-parallel, symmetric) Cable Length1.2 m MicrophoneBuilt-in Microphone