Features: ◎ Dual mode, with 2.4G wireless connection and BT 5.1 connection, you can switch the mode freely and easily. ◎ Three adjustable DPI(800-1200-1600DPI), instant switching from 3 levels for different needs. Supports office and gaming use. ◎ Silent design, quiet and elegant office wireless mouse, not disturbing others. ◎ Fashionable slim design for sleek look and portable use, suitable for both boys and girls. Ergonomics optical mouse, suitable for a variety of holding positions. ◎ Built-in rechargeable lithium battery for easy charging, full charge available for 1-2months, no need to worry about power shortage. Specification: Brand:HXSJ Model: M50 Type: Dual mode mouse Color: Black, Silver(optional) Material: ABS Key life: 5 million times Wireless distance: 10m Work: Photoelectricity Battery capacity: 500mAh(Chargeable lithium battery) Charging cable length: 25cm Project type: Ergonomics Optical Mouse Resolution: 800,1200,1600.(1200dpi Default) Operation mode: Opto-electronic Rated voltage / current: 3.7V / 18mA Type:2.4Ghz Wireless mouse and Bluetooth 5.1 Dual mode mouse Buttons: 4 Buttons(Left and right buttons, metal scroll wheel and dpi) Power type:Rechargeable(Charging time 2h,Working time 150h) Item size:10.8*6.1 * 2.9cm/4.25*2.4*1.14in Item weight: 73g /2.57oz Package size: 12.5 * 7.5* 3cm/4.92*2.95*1.18in Package weight: 94g /3.32oz Packing list: 1 * 2.4 G Wireless Mouse 1 * USB Receiver 1 * USB Charging Cable