Health-oriented Switch Dual-mode Freely High performance with Bionic volute design, Dual-mode switch, Mini & exquisite, Rechargeable battery and Four-gear DPI. Features: Colorful & Smart Mint green, white, pink, violet, pearl-like blue, jet black and iron gray optional. Delux Always Care About Your Health Bionic volute design, hand shake grip. Ergonomic streamline design helps you get rid of fatigue caused by long-term use of traditional mouse. Easy & Intelligent M618mini Provides you Confidence Easily switch between 2.4GHz and BT 4.0 wireless modes, meets multitask requirements. Eco-friendly Rechargeable Battery Built-in eco-friendly battery, no need to replace battery. Four Level Adjustable DPI Adjustable 800/1200/1600/2400 DPI, meets different needs. Specification: Material: ABS + Rubber Resolution: 800/1200/1600/2400 DPI Backlight: RGB dynamic lightning effects, automatic sleep mode Connection: 2.4GHz + BT4.0 Working Voltage: 3.7V Working Current: