Sensor Technology:Optical Sensor Resolution:1200 dpi Battery Life:Up to 3 Months Battery Type:1*AA Buttons:3 Wireless Distance:Max.10 Meters Wireless System:2.4GHz Connection Type:Wireless (USB Receiver) What's in the box 1. GO W608 Mouse 2.Manual Book 3.1*AA Battery 4. USB Receiver Box size:7*4.3*10.8cm N.W: 50g G.W: 88g Carton size:42*37.5*24cm N.W: 9.4kg G.W: 10.2kg Qty/ctn:100pcs 1×AA battery included delivers up to 3 months runtime. Plug-and-play 2.4GHz receiver tucks inside the mouse body when unused - no dongle loss Optical sensor ensures smooth, stable cursor control for daily tasks. Compact 105×58×38mm dimensions weighing just 50g (without battery). Textured grip surfaces prevent slippage during extended use.