Model Number: GDL004-S3D-#9201
Brand Name: Tonstep
Key Specifications/Special Features:
Keyboardlayout around19MMinclined,QWERTYlayoutProjectionsize 240mm(w)*100mm(h)ProjectedKeyboardlocation Approx.80mmfromkeyboarddeviceRequiredprojectionsurface Non-reflective,opaqueflatsurfaceDetectionrate Over350charactersperminuteOperationSurface AnyopaqueflatsurfaceInputDCChargingPower USBport/lessthan5V500mABatterycapacity Polymerrechargeablebattery,,600mAh(MAX)@3.7VBatteryworkingtime around150minutesBatterychargingtime around90minutesBluetooch V3.0,HIDProfileVer1.0Frequency 2402-2480MHz
Channel 79
Modulation GFSK
Size(mm) 78mmx40mmx20mm
Weight(g) 60g
Color Silver+black.