As an Optical USB Mouse: 1.USB 1.1 & 2.0 interface PnP. No need for driver
??2.Comfortable, colorful, and stylish design 3.For both right-handed and left-handed users 4.Precise tracking with 800dpi optical Sensor 5.Service life: 10,000,000 click 6.Keypad operating force: 60±15g As a USB VoIP phone: 1. Built-in USB sound card. No need for any external audio device 2. Built-in microphone and speaker with a unique echo-cancellation technology to ensure the crystal clear voice quality 3. Hands-free function 4. Hi-Fi sound quality with 16Bit 48KHz sampling rate 5. Built-in speaker and earphone connector for receiving call easily and protecting privacy 6. Call & cancel button for call convenience.
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