RAPOO M100 2.4GHz & Bluetooth 3 / 4 Quiet Click Wireless Mouse Blue - 1300dpi Connects up to 3 Devices, Up to 9 months Battery Life (BUY 10 GET 1 FREE) ***December Promotion: Buy 10 get 1 Free Offer Available Valid Until 23/12/21. Contact your account manager for more details *** - Silent switches reduce click noise – good for night work when your family are asleep - Simultaneously connected up to three devices by Bluetooth 3.0, 4.0 and 2.4G wireless - Smart switch among devices - 1300DPI tracking engine - 2y replacement warranty