Company Pioneer widened its devices range with in-ears headphones SE-E711T with closed acoustic architecture, microphone and 8 Hz – 22 kHz reproducible sounds frequencies range. Their sensitivity equals to 106 dB, maximal input power is 100 mW, impedance is 32 Ohms and mass is 10.5 g ( without wire accounting ). Cable with 1.2 m length is connected to both cups, in its volume control module microphone and smartphones control button are built-in, to sound source it is connected via 1/8″ mini jack gold-plated connector. Headphones are protected from sweat and moisture and are supplied in red, white and yellow color variants; package with Pioneer SE-E711T contains : 3 interchangeable ear-tips pairs ( large, medium and small ), warranty card and user’s guide. All in all headphones are good : with wide reproducible sounds frequencies range, microphone, sweat and moisture protection and small mass, their price is around 20 USD; it is adequate to their functions, but there is need to note, that for the same amount of money there is ability to buy monitor headphones, so here is the choice between device compactness and sound quality.