NEW Design! ENTIRE TOP SURFACE HEATED! USB C AND INCLUDES ONE STANDARD USB ADAPTER. Connect: USB wired. USB C Connection: Approximately 180cm/70.8 inches long cord. Design: Ergonomic, universal fit. Includes one USB Adapter to fit a standard USB port. Maximum cursor acceleration speed: 8 G. Adjustable DPI: 800-1200-1600-2400. Working voltage : 5V+-0.5V USB heater is safe for computers and people. Working Current: low-280mA, high-580mA. Connect: USB wired. USB C Connection: Approximately 180cm/70.8 inches long cord. Design: Ergonomic, universal fit. Switch: Heat control High/Low/Off slide switch on bottom. Construction: ABS thermoplastic polymer. Product color: All-black on black finish. Product size: 125*70*40mm(4.92*2.75*1.57in). Product weight:136g/5.3oz. Key life:Three Million Times. Glide Pads: Two level bottom glide pads. NEW 2020 Design! ENTIRE SURFACE HEATED! USB C AND INCLUDES ONE STANDARD USB ADAPTER. Heat: 99 - 120 Fahrenheit. Number of buttons: Right/left top buttons, wheel button,DPI± button,forward/backware button, bottom high/low/off heat switch. Maximum tracking speed: 30 IPS (IPS is the speed the sensor can track movement). Includes one USB Adapter to fit a standard USB port. Maximum cursor acceleration speed: 8 G. Adjustable DPI: 800-1200-1600-2400. Working voltage : 5V+-0.5V USB heater is safe for computers and people. Working Current: low-280mA, high-580mA. Connect: USB wired. USB C Connection: Approximately 180cm/70.8 inches long cord. Design: Ergonomic, universal fit. Switch: Heat control High/Low/Off slide switch on bottom. Construction: ABS thermoplastic polymer. Product color: All-black on black finish. Product size: 125*70*40mm(4.92*2.75*1.57in). Product weight:136g/5.3oz. Key life:Three Million Times. Glide Pads: Two level bottom glide pads.