Features: Triple Modes Mouse: The mouse with dual BT5.1 modes and 2.4G wireless technology. Stable BT and USB wireless support connect three devices so that you can switch between them easily. Ergonomic Mouse with Side Button: The ergonomic mouse fits comfortably in the palm of big hand, designed for everyday comfort and precision, and smooth tracking on most surfaces. Furthermore, the side buttons help you control forward/backward page for increased productivity. Adjustable DPI: This mouse includes 4 levels of adjustable DPI (1000/1600/2400/4000), so you can easily change cursor sensitivity depending on your relevant activity, improving efficiency. The color change of the LOGO light indicates the DPI level. Plug and Play: Wide compatible with various devices and system. Suitable to tablet, computer, laptop, mobile phone; Adopt professional esports chip, bring professional game like experience. Adjustable Volume Mouse: DPI button is a shortcut to adjust the volume, long press DPI Button for 2 seconds, then scroll the wheel to easily adjust the volume. Specification: Model: T40 Color: Black, White (Optional) Product size: 12.5x6.6x4cm Product weight: 86g Product material: ABS material+metal roller Working mode: 2.4G+BT5.1+BT5.1 Triple Modes Mouse IC: Pix Art 3220 Rate of return: 125HZ Moving speed: 30inch/s Refresh rate: 4800 FPS Acceleration: 10G Number of switches: 7 Keys (mute design) Switch life: 10 Million times Voltage/current:3.7V/12mA Battery capacity: 500mAH Working range: 10m Length of charging line: 75cm (Type-c charging line) DPI: 1000/1600/2400/4000 AdjustableDefault 1600dpi DPl Light Mode: Red(1000)Green(1600) Blue(2400) Purple(4000)DPI DPI Key: (Long press and hold DPI for 2 seconds to wake up the wheel volume adjustment) Package size: 14x8.8x4.7cm/5.5x3.4x1.8in Package weight: 135g/4.7in Packing list: 1 x Wireless Mouse(2.4G+BT1/BT2) 1 x USB Receiver 1 x Charging cable(75cm Type-c) 1 x Instructions in English