Specifications:
Model: KB630-M1
Keyboard layout: QWER layout(about 19mm pitch)
Light source: Red diode
Size: 9x4.4x4.8cm
Weight: 125g
Projection size: Width: 250mm, height: 100mm
Work platform: non-reflect, opaque plane
Battery: 3.7V 2500mAh
Discharging Time: about 500min
Charging Time: about 180min
Input/Output: 5V 1A
BT: V3.0, HID PROFILE VER 1.0
Frequency range: 2402-2480MHZ
Channel: 79
Modulation mode: GFSK
Package Size: 14x9x5.6cm
Package Weight: 255g
Package List:
1 x Projection Keyboard
1 x USB Cable
1 x User Manual