ergonomic mouse, seenda wireless vertical mouse - rechargeable optical mice for multi-purpose (bluetooth 5.0 + bluetooth 3.0 + usb connection) compatible apple mac and windows computers - black seenda <b>wireless mouse for multi-purpose</b><br> this mouse connects to 3 devices via bluetooth 5.0 + bluetooth 3.0 + 2.4g usb receiver simultaneously, the switch button is just near your thumb for switching between3 devices easily, with conspicuous lights on the top of the mouse to let you know which connection mode you are using.<br><br> <b>vertical ergonomic design mouse</b><br> let’s try this vertical one if you tired of using the traditional grip, the shape of this bluetooth mouse keeps your hand in the right ergonomic position, end of wrist & shoulder pain.<br><br> <b>bluetooth mouse with 9 buttons</b><br> added next/previous buttons provide convenience when webpage browsing. also it’s featuring with both noiseless click and voiced click left/right button to meet your different needs for working or gaming.<br><br> <b>compatibility</b><br> this vertical mouse compatible with windows xp, windows7, windows 8, windows 10, mac os, ios, android.<br> <b>pls kindly note: </b><br> 1.bluetooth 5.0 connection can work with windows 8, 10, mac os x 10.10, android 4.3 and above; <br> 2.bluetooth 3.0 and 2.4g wireless can work with windows xp, windows 7, windows 10, mac os 10.10 or above<br>