Features: Three Connection Modes BT 3.0 + BT 5.0 + 2.4G wireless connection modes deliver fast transmission mode of data, allowing you to connect to a computer via 2.4G wireless, connect to another computer via BT 3.0 and to a third computer via BT 5.0, and simply switches by mode button, for more convenience. Silent Design The button is designed without noise and makes click silent without disturbing others. 1600 DPI Resolution Engineered with up to 16,000 DPI, and professional IC positioning accuracy, the mouse offers deadly precision and greatly optimizes power control. Ergonomic Design Adopts the ergonomic design to fit your palm perfectly, and allows the wrist, palm, and hand back to move comfortably. High Quality Material Made of high quality ABS and metal material to ensure its durability and longer service life, with 5000000 times click. Specifications: Type: Three Mode Mouse Quantity: 1PC Material: ABS+Metal Color: White Key life: 5 million times Wireless distance: 10m Battery capacity: 500mAh(Built in invisible Chargeable) Charging cable length: 80cm Resolution: 1600dpi(Default) Operation Mode:photoelectric+Bluetooth 3.0/5.0 Rated voltage / current: 3.7V / 10mA Power Type:Rechargeable Type: 2.4Ghz Wireless+Bluetooth 3.0/5.0(Three Modes) Buttons: 2 Buttons and 1 Round (Middle Mutton) and Mouse mode key(Bottom of the mouse) System requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista Mac OS or latest. Size: 10.9*6.4*2.8cm/4.28*2.52*1.10inch Net Weight: 120.0g/4.23oz Package: 1 * Mouse (Three Modes: Bluetooth 3.0+5.0 + 2.4 G wireless) 1 * USB Receiver 1 * USB Charging Cable(80cm) 1 * English manual Dear friends: (1) If the product cannot be used, please contact us. Promise to resend or refund for free! (2) Product description, if you do not understand, please contact us! We will reply you !