UGREEN Wireless Mouse Multi-mode M331 – Gray This wireless mouse from UGREEN combines flexible connectivity with high precision - perfect for both work and leisure. Switch seamlessly between Bluetooth 5.4 and 2.4 GHz USB receivers and use DPI levels up to 4000 for sharp control. Ergonomic design and silent clicks make it ideal for e-work and study. Specifications: Brand: UGREEN Model: M331 Color: Gray Connection: Bluetooth 5.4 + 2.4 GHz USB dongle DPI levels: 1000 / 1600 / 2400 / 4000 Power supply: 1 x AA battery (not included) with up to 18 months of battery life Compatibility: Windows, macOS, Linux, Android, Chrome OS Key features of UGREEN M331: ✔ Dual connection mode – easily switch between Bluetooth and 2.4GHz for different devices. ✔ High precision – up to 4000 DPI for both office and creative use. ✔ Quiet click – designed for quiet environments with a noise level of around 40 dB. ✔ Ergonomic and ambidextrous – suitable for both right and left-handed users with non-slip side panels.