Logitech Zone 300 Wireless Headset Off White 2K 5W Operating temperature 0°C to Sort by color:100 large ice grids 140 kg (Recommended for the traffic of Wangpu) 5W Operating temperature 0°C to 40°C Storage temperature 15°C to +45°C Humidity 20% to 80% Relative humidity <80% Frame Metal Material Metal Screen to body ratio 98% Wall mount 600 x 500mm Dimensions not including base (L × W × H) 2179 x 84 x 1246mm Dimensions including base (L × W × H) 2179 x 448 x 1314mm Base width 448mm Base thickness 1910mm Packing size (L × W × H) 2385 x 225 x 1445mm Weight not including base approx Alternative Model # : T222TGSV The integrated rechargeable battery provides up to 16 hours of talk time and 20 hours of listening time on a single charge via USB C 7 mm dynamic drivers supporting SBC and AAC codecs for balanced sound reproduction from 50 Hz to 20 kHz