Battery: 180mAh, 2mA/3.7V.
Material: Aluminum alloy+ plastic.
Chips: Broadcom 3.0.
Key: 81.
Charging time: 2 hours, working time 80 hours, standby time 2 month.
Unit size:35.8*10*0.9cm/ Fold size 17.8*10*1.8cm.
Net weight: 208g.