[. . . ] Philips Wireless Hi-Fi Headphone SHD8600UG Clear wireless music Digital wireless Freedom to enjoy TV and music around your home. [. . . ] The digital signals are converted to analogue signals at the end of the transmission process. The end-result is superb sound quality, with smooth acoustics and minimal data loss. Tuner/Reception/Transmission · Automatic channel selection · Effective range: 30 m · Modulation: GFSK Acoustically tuned speakers Convenience · · · · · Automatic power off Base Station Features: Power LED Indicator Battery low indication Battery charging indication Operating time: +/- 12 hours Outer Carton Accessories · AC/DC Adapter: 6 V/ 550 mA DC · Battery charger: recharging docking station Outer carton (L x W x H): 32. 5 x 26 x 32. 5 cm Net weight: 1. 707 kg Gross weight: 3. 296 kg Tare weight: 1. 589 kg EAN: 87 12581 59204 2 Number of consumer packages: 3 Pure balanced sound is achieved by expert acoustic tuning for the speaker elements. In particular, the high tones and deep bass are reproduced with greater precision. Self-adjusting inner headband The inner headband makes it easy to obtain a perfect fit for your head. The mechanism adjusts automatically for comfort. Product dimensions Smart and quick charging Power · Power supply headphone: 2 x AAA rechargeable · Product dimensions (W x H x D): 17. 98 x 21. 72 x 8. 35 cm · Weight: 0. 23 kg · The smart and quick charge feature enables the battery to be fully recharged within a very short time span. [. . . ] The remaining power capacity present in the battery is determined by an internal circuit, so that the incoming voltage can be optimised for a quick recharge while at the same time maximising the battery lifespan. Issue date 2011-03-04 Version: 1. 1. 4 © 2011 Koninklijke Philips Electronics N. V. [. . . ]