tecknet 2600dpi bluetooth wireless mouse, 12 months battery life with battery indicator, 2600/2000/1600/1200/800dpi (black) tecknet <b>tecknet bluetooth mouse bm307-v3:</b><br>tecknet bm307/v3 is a mouse you can really rely on to work with your bluetooth-enabled pc - no receiver required. whether you use a laptop, desktop or windows tablet, this is the only wireless mouse you need . <p><b>truwave precision:</b> <br>tru-wave precision means you will enjoy smoother tracking on just about any surface. <p><b>bluetooth wireless:</b> <br>with wireless bluetooth connectivity and truwave technology, it works almost anywhere with no dongle or transceiver to lose from the coffee shop to the park bench. <p><b>up to 12-month battery life:</b> <br>energy efficiency features such as an on/off switch and smart sleep mode help reduce power consumption enabling you to keep going for longer, in fact, you can use this mouse for up to 12 months on just 2 aaa battery! there is a handy indicator light to let you know when it is almost time to change the battery. <p><b>2 additional buttons:</b> <br>want to quickly switch between programs or move from page to page on the web in an instant? you will save time with the app-switching button and forward/backward buttons. <p><b>tecknet 18 months warranty:</b> <br>at tecknet, we believe in our products. that's why we back them all with an 18-month warranty and provide friendly, easy-to-reach support. <p><b>specifications:</b> <br>- polling rate: 130hz <br>- lifelong clicks: 8 million <br>- working current: 8.8ma <br>- battery type: 2 aaa battery (not included)<br>- support: windows 10, 8, 7, vista, xp, 2008 <p><b>box contains:</b> <br>1 x wireless bluetooth mouse<br>1 x user manual<br><br><b>note:</b>not fit for left hand use. <br>this mouse may not work for mac os due to the compatibility.<br>don't support ipad bluetooth connection. (for ipad all series)<br>for mac os device the side buttons can't work, while other buttons can work good.