Item Type: Wireless Mouse Dual-Mode Primary Phase Photoelectric IC: 3212 DPI: 1000/1600/2400 Wireless Solution: 2.4G+for Bluetooth 5.0 for Broadcom Switching Times: 5 million times without sound Battery Type/voltage: 3.7V/6mA Charging Interface Type: Micro usb Built-in Lithium Battery: 500mAh, lithium battery 14500 Number of Keys: 6 Charging Cable Length: Approx. 80cm / 31.5in1Rechargeable gaming mouse, 2.4GHGz digital wireless transmission provides an operating distance of up to 8‑10 meters 236 automatically switched working channels and up to 60,000 sets of security passwords to completely prevent external interference 3Mini receiver, plug and play, no need to connect the code intelligent connection technology 4Mouse built‑in memory, built‑in lithium battery, no need to replace the battery 5Matte optical tracking engine, adjustable cursor 3?speed 1000/1600/2400 6Adopt built?in designed of micro receiver, Onlight/ON/OFF switch, very practical1 x Mouse1 x Data Cable1 x User Manual