Model Number:XD7E Connectivity:Wired, StrikeSpeed Wireless80 Switch Lifetime:80 Million Clicks Sensor:PixArt 331 Speed (Max):300 IPS Acceleration(Max):35 G Battery capacity:300 mAh Li-ion Battery Lifetime:Up to 70 Hours Size:114*65*39 mm Weight:59g Power Rating:5V -- 160mA Compatibility:Windows 7 or later & MAC OS 10.11 0rlater WHAT'S IN THE BOX 1. Aria E XD7E 2.USB Wireless Dongle3.Extra Rear cover 4. USB C Data cable 5.Wireless Extension Adapter6.1 Set PTFE Skates 7.1 Set PTFE Dot Skates8.1 set Grip Tape 9.Ouick Start Guide What's in the box 1. Aria E XO7E 2.USB Wireless Dongle 3.Extra Rear cover 4. USB C Data cable 5.Wireless Extension Adapter 6.1 Set PTFE Skates 7.1 Set PTFE Dot Skates 8.1 set Grip Tape 9.Quick start Guide Boxsize:120*157*76 mm N.W: 208 gr G.W: 245.8gr Carton size:40*33*27 cm N.W: 5 Kg G.W: 5.62 Kg Qty/ctn: 20 pcs