Model Number:XD7V2 Connectivity:Wired, Strikespeed Wireless, BT Switch Lifetime:80 Million Clicks Sensor:PixArt 3395 Speed (Max):650 IPS Acceleration(Max):50 G Battery capacity:300 mAh Li-ion Battery Lifetime:Up to 70 Hours Size:113.5*65*38.3 mm Weight:53+2g Power Rating:5V--230 mA Compatibility:Windows 7or later & MAC 05 10.11 or later What's in the box 1. Aria ll xD7V2 2.Strikespeed usB Wireless Receiver 3.Wireless Extension Adapter 4.1 Set PTFE Mouse Skates5.1 Set PTFE Dots Skates6.1 Set Grip Tape 7. USB-C Data Cable 8. Thank You Letter 9. Quick Start Guide 10.Warranty card Box size:120*76*157mm N.W: 105g G.W: 235.7g Carton size: 40*33*27 cm N.W: 4.80 Kg G.W: 5.36 Kg Qty/ctn: 20 pcs