wireless virtual laser keyboard for android ios phones with 5200mah power bank and bluetooth speaker

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Basic Info

Place of Origin:	Guangdong, China (Mainland)

Product Description

wireless virtual laser keyboard for android ios phones with 5200mah power bank and bluetooth speaker

Specification:
Pattern Projector
Keyboard light source:	Red laser diode
Keyboard layout:	Approx.19mm sized QWERTY layout
Projection size:	Approx. 100mm(H)*240mm(W)
Projected Keyboard location:	Approx.100mm from keyboard device
Required projection surface	Non-reflective,opaque flat surface

Electrical Characteristics
Recognition rate	Over 350 characters per minute
Operation Surface	Any opaque flat surface
physical Dimension:	93mmx22mmx80mm
Weight:	Approx. 180g
Keyboard language:	English
Charger:	Rating 2A @ 5V
Battery capacity:	Polymer rechargeable battery,5200mAH(Max)@3.7V
Battery working time	30 hours
Battery charging time	2 hours
Keystroke Sound:	Built in buzzer(Mute on/off the sound)
Visibility:	Good contrast up to 1800 lux ambient illumination
Effective key stroke:	Approx. 2mm
USB interface	USB 1.1 and 2.0.USB,HID Ver.1.0
Bluetooth	v2.0(class2),HID Profile Ver.1.0
Frequency Range	2402-2480MHz
Channel	79
Modulation	GFSK

Environmental Conditions
Working Temperature	Approx.-10~40°C/90%RH
Storage Temperature	Approx.-20~40°C/~90%RH

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