1. Battery; 1000 mAh
2. Wireless distance: 10 meters
3. Voice distance: 2 meters
4. Support system: W7, W8, W10, XP
5. Translation in 28 languages (Simplified Chinese, English, Cantonese, Traditional Chinese, Japanese, Korean, French, Spanish, Arabic, Thai, Russian, Portuguese, German, Italian, Greek, Dutch, Polish Language, Bulgarian, Estonian, Danish, Finnish, Czech, Romanian, Slovenian, Swedish, Hungarian)
6. Easy to use