... ; transmission distance: 100m; Operating Frequency:2.4GHz 3G support for external 3G card (Telecom EVDO, China Unicom WCDMA ... to noise ratio:90dB; Distortion: <0.05% Battery life: 4000mAh lithium polymer battery, sustainable film play for 6 ... : Picture Format: JPG, JPEG, BMP, GIF; support systems: Windows98SE, 2000, ME, XP; support for SimplifiedChinese, Traditional Chinese, English, Japanese, French, ...