Look no further. Amazing product quality, that's solidly built. Best of all, its very affordable price. Buy instantly.<br />Dimension: 14 x 2 x 41.4 cm <br />Power supply: 1 x AAA (not included) <br />Frequency: 2402 MHz - 2480 MHz <br />Channels: 16 (automatically switch frequency) <br />Rated working voltage: 5V <br />Rated working current: 15 mA <br />Type: optical <br />Max. speed: 14 inches / second<br />Resolution: 500CPI/1000CPI (switchable) <br />USB interface: 2.0 <br />Color: grey <br />1 X Mouse<br />1 X Receiver <br />In original package<br /><img src="//agdetail.image-gmkt.com/m430/657/478/558478657/img/agdetail.image-gmkt.com/657/478/558478657/img/img6.eachbuyer.com/x6/p40/wi38_1.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/657/478/558478657/img/agdetail.image-gmkt.com/657/478/558478657/img/img6.eachbuyer.com/x6/p40/wi38_2.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/657/478/558478657/img/agdetail.image-gmkt.com/657/478/558478657/img/img6.eachbuyer.com/x6/p40/wi38_3.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/657/478/558478657/img/agdetail.image-gmkt.com/657/478/558478657/img/img6.eachbuyer.com/x6/p40/wi38_4.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/657/478/558478657/img/agdetail.image-gmkt.com/657/478/558478657/img/img6.eachbuyer.com/x6/p40/wi38_5.jpg" />