... record and store audio & video and take photo. Selling points:First glasses with both wireless transmission & local DV record,photo function. ... support 2-16G Wireless transmission 2.3G frequency: 2370Mhz(CH1); 2510MHz(CH4) 2.4G frequency:2414Mhz(CH1); 2468MHz(CH4) Audio subcarrier freq: 6.0Mhz ... System:Win98,WiMe,WinXP,Win2000,Windows VistaAccessories USB cable,charger,disk,case, wiper,user manual