Kensington MY430 EQ BT + USB-A rechargeable mouse Multiple connectivity options, two via Bluetooth Low Energy (LE) and one using the included 2.4 GHz USB receiver. The plastic material consists of at least 50% post-consumer recycled content (PCR) Long-lasting rechargeable battery (life of up to 4 months) 6 buttons and silent left/right buttons Customisable with free KensingtonWorks software High-definition optical sensor (1000/1600/2400 dpi)