Typing - It can recognize user speech in 112 languages such as English/Chinese Cantonese/Chinese Mandarin and convert the speech into text on computer in up to 400 words per minute. Highly efficient and convenient, great for fast speed chatting/typist. Speech Translating  - It can translate user language into target languages in text, including Chinese/English/Japanese/French/Cantonese/Russian/Korean/Spanish/Italian/German...total 112 kinds of target languages. Speech Searching & Command - In the custom command interface, after adding the corresponding language command through URL, File, program, long press the voice command key to say the operation command to operate. Just ask questions orally, then the mouse can convert it into text and show you the best match searching results.  Large Battery Capacity - Built-in 400mAh lithium battery, which can be used for 30hrs once fully charged, suitable for carry to business travel and no need to worry out of work suddenly. Specification: Model: C406 Color: Black Weight: 75g/2.7oz Shell Material: Plastic Hardware Platform:  M02-AMM36-U LIGHTSPEED IC:3212 Transmission Frequency: 2.4G Support System:  Windows, Mac Mouse Interface: USB Button: 6 Keys Resolution: 1600DPI Battery Type: 3.7V 400mAh Lithium Battery Charging Time: 2hrs Usage Time: 30hrs Power Input: 5V/1A Operating Temperature: -20℃ - 60℃ USB: macro 5pin Drive: Free-drive Receiving Range: 10M Voice Reception Range: 2M Working Current: 13mA Sleep Current: 30uA Charging Indicator: Green Appropriate Types: PC, Computer etc. Weight: 2.6oz/75g Package Weight: 210g/7.4oz Package Size: 15.6x10.5x4.5cm Packing List: 1 x Wireless Mouse 1 x macro 5pin Charging Cable 1 x USB Receiver 1 x User Manual