[. . . ] [. . . ] Backed by a Balanced Armature transducer, expert tuning and an Angled Acoustic design, they yield remarkably crisp, detailed and transparent audio with extended precision highs. Enjoy quality sound · Hi-definition transducer for accurate audio reproduction · Perfect in-ear seal blocks external noise · Angled Acoustics design provides exceptional noise isolation Ultimate wearing comfort · Foam sleeves create a tight seal for personalised fit · Ultra-soft silicone caps sit comfortably in your ears · Ergonomic Angled Acoustic design ensures a natural fit Always ready to go · Symmetrical cables come in equal lengths to avoid tangle · Durable Flexi-Grip makes a strong flexible connection · Carry case protects your headphones when not in use In-Ear Headphones 15211-42-16/10 Specifications Sound · · · · · · · · · · · · · · · Impedance: 12 ohm at 1 kHz Sensitivity: 115 dB SPL/mW at 1 kHz Maximum power input: 3 mW Frequency response: 20 - 20k Hz Acoustic system: Closed · · · · · · Outer Carton Connectivity Gross weight: 1. 59 kg Outer carton (L x W x H): 21. 8 x 20 x 17. 9 cm Net weight: 0. 252 kg Tare weight: 1. 338 kg EAN: 87 12581 49749 1 Number of consumer packages: 6 Cable Connection: two-parallel, symmetric Cable length: 1. 2 m Connector: 3. 5 mm stereo Finishing of connector: Gold-plated Gross weight: 0. 67 kg Inner carton (L x W x H): 18. 8 x 10. 3 x 16 cm Net weight: 0. 126 kg Tare weight: 0. 544 kg EAN: 87 12581 49748 4 Number of consumer packages: 3 Inner Carton · Packaging dimensions (W x H x D): 9. 5 x 15. 3 x 6 cm · Gross weight: 0. 192 kg · Net weight: 0. 042 kg · Tare weight: 0. 15 kg · EAN: 87 12581 49747 7 · Number of products included: 1 · Packaging type: Blister Packaging dimensions Accessories · · Carrying case Issue date 2011-07-27 Version: 1. 0. 5 © 2011 Koninklijke Philips Electronics N. V. [. . . ] [. . . ]