Product Name:Helios ll Switches:TTC Gold 100 Million Clicks Sensor:Pixart PAW 3395 DPI:26000 Max Speed (IPS):650 Max Acceleration (G):650 Programmable Buttons:6 Dimension:120(L)* 64(W)* 38.3(H)mm Weight:55g Connectivity:Wired, StrikeSpeed Wireless Switch Type:Optical Switch Polling Rate:1000Hz Battery:300mAh What's in the box 1.Fantech Helios ll 2.User Manual 3. Greeting Card 4.USB Adaptor 5.USB Wireless Receiver 6.1 Set PTFE Dot Skates 7. Type-C To USB Cable 8. Helios ll Stickers 9. Warranty Card Box size:116x200x46.5mm N.W:99.7g G.W: 220.4g Carton size:42*25*26cm N.W: 4.40kg G.W: 4.97kg Qty/ctn: 20pcs Industry-leading 8K wired and 4K wireless polling rates ensure near-zero input delay. PixArt 3395 Flagship Sensor