[. . . ] Philips Wireless Hi-Fi Headphone SHC8525 Superb wireless music Freedom to enjoy music around your home. [. . . ] Ergonomic design ear cushions The ergonomic three-dimensional ear cushion shape evenly distributes the load for a better and more comfortable fit. Full-size design Full-size ear shells not only cover your whole ear for better sound quality, but also provide space for a larger, higher performance driver. 40 mm speaker driver The 40 mm speaker driver is made of a composite Mylar material for a highly sensitive yet powerful element that delivers sound without audible distortion. FM Wireless transmission With high-frequency FM wireless transmission, which can even pass through walls, you can even listen to your music when you're in another room. 3 transmission channels With a choice of three transmission channels, your listening pleasure is assured because you can easily switch to the one with the best reception. Energising docking station The docking station is the most convenient way to store your receiver when not in use. [. . . ] At the same time, it will recharge your receiver unit and have it ready for use at any moment. Electricity Tuner/Reception/Transmission · Power supply headphone: 2 x 1. 5 V NiMH R03/ AAA · Power supply transmitter: AC/DC adapter 12 V/ 200 mA Outer Box · · · · Gross weight: 6. 944 lb Outer carton (L x W x H): 10. 7 x 9. 9 x 13. 5 inch Net weight: 3. 558 lb Tare weight: 3. 386 lb Convenience Packaging dimensions · Battery charging indication · Automatic power off · Operating time: +/- 15 hours · Packaging dimensions (W x H x D): 9. 1 x 11. 9 x 4. 9 inch · Gross weight: 2. 734 lb · Net weight: 1. 779 lb · Tare weight: 0. 955 lb · Issue date 2008-09-16 Version: 3. 0. 3 © 2008 Koninklijke Philips Electronics N. V. [. . . ]