Backpack material: ABS, PC, polyester
Screen count: two screens each 32*48.
Screen point spacing: P2
Left eye size: 5+10+9+4CM
Right eye size: 5+10+9+4CM.
Power supply mode: power bank
Communication mode: Bluetooth
Backpack size: 38*22*47/34*19*44cm
Weight: 1.8/1.55kg
