... Laser Pointer 3-one Package Contents: gift box packaging, keyboard, receiver, USB cable, instruction manual Application: Apply to the meeting, ... in the 30M range, interactive, and convenient. # Suitable for home theater, car computer entertainment, UPMC, tablet PCs, web browsing, ... lithium battery QWERTY keyboard, full-function4 mini- buckle-in mini4 receiver Charging time: 3.5 ~ 4 hours Standby: 500 ...