Welcome to our store!</br> 1、Exquisite Compact: Exquisite and compact integrated design, ergonomic design 2、360 Degree Wireless Design: 2.4GHz wireless technology 360 degrees without directional restrictions, and the maximum control distance in the open space is 50m 3、Professional Teaching Design: Professional powor pointer slide teaching and speech assistant 4、Environmentally Friendly Durable: Built in lithium battery, no need to buy dry battery again, environmentally friendly and durable 5、Easy Use: Small in size, it is lightweight and portable, and can be easily used in the hand, which can help you relax and comfortable in the teaching process <p class="wang-edit-text"><p class="wang-edit-text">Item Type:&nbsp;Wireless Demonstration Pen Material: Plastic Model: PP924 Product Size: Approx. 112 x 25 x 19mm / 4.4 x 1 x 0.7in Battery Type: Built in Lithium Battery (Shipped with Built In Battery) Battery Capacity: 150mAh Wireless Frequency: 2.4Ghz Remote Control Distance: Up to Approx. 50m / 55yd Interface Type: Support USB 3.0 / 2.0 / 1.1 Compatible System: For&nbsp;Microsoft for Windows8 / 7 / Vista / Xp / 2000, for&nbsp;OS X, for&nbsp;Android 4.0 <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x&nbsp;Wireless&nbsp;Demonstration&nbsp;Pen 1 x Data Cable 1 x Receiver 1 x Storage Bag 1 x Chinese User Manual (Customer Satisfaction) - is our priority. If you notice any problems with the products after receiving the goods, such as damaged goods or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sale service.</br>